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Posted by bentobean 4/2/2025

Mozilla launching “Thundermail” email service to take on Gmail, Microsoft 365(www.techradar.com)
434 points | 333 comments
mmooss 4/2/2025|
I hope for the best but plan for the worst:

I don't think people want to change email addresses very often. How do I know Mozilla will still be doing this in 5-10 years? (Edit: Others have pointed out that, if we can bring our own domains, technical users can retain their address. However, for non-technical users that's not an option.)

Also, I'm not sure about charging a fee at the start (except for TB contributors) and providing a free tier later - reverse of the usual way of launching a product. Maybe this is a soft launch to shake out the bugs and build a little momentum, and you can pay if you want to take part?

Mozilla could do something awesome here. I hate to say it, but here is a chance to start fresh and make big, legacy-breaking changes to Thunderbird. The new audience - which should become the vast majority if they are successful - won't care if it's not like the old Thunderbird (possibly unlike many on HN). Here is a chance to do something special and the mail client is all most users see or understand.

mdasen 4/2/2025||
> I'm not sure about charging a fee at the start and providing a free tier later

I think this is a smart move. Email isn't a platform where you need to conquer the world to be successful. Hey has been doing great business with an only-paid model. Might as well serve the paying customers first and build up revenue.

Also, whenever you're launching something new, you generally need to limit onboarding. Google did it with Gmail, Bluesky did it with their service. You can't have a flood of 10 million new users all at once before you've had a chance to scale things. Seems reasonable to let paying users in first given that email doesn't have network lock-in effects.

I think there is reasonable skepticism around how committed Mozilla is to this. However, I think that starting with the paid tiers is a smart move given that they'd have to limit signups initially anyway.

matt-p 4/2/2025|||
I think it shows real maturity to take this approach and makes me feel more comfortable that they'll be sustainable.
snotrockets 4/3/2025||||
> Hey has been doing great business with an only-paid model.

[citation needed]

eek2121 4/3/2025|||
From the perspective of an end user, I subscribe to hey, have done so since public launch, and I am quite happy with it.
dismalaf 4/4/2025|||
They're a private company so numbers aren't available but DHH has said in podcasts it's several million ARR. Not huge but fine for a company of their size with multiple products.
DrillShopper 4/3/2025|||
Plus when I'm paying I know that I'm the customer, not the product.
palata 4/2/2025|||
> I don't think people want to change email addresses very often.

You probably know this already, but people should have their own domain. Then they can change provider without changing the address.

kdasme 4/2/2025|||
> You probably know this already, but people should have their own domain.

Until they forget or unable to renew. And then their PII is in the hands of the person who gets the domain.

tombert 4/3/2025|||
That happened to me, but fortunately it didn't end up being a huge deal.

I had forgotten to renew my domain from Gandi, it expired, and I stopped getting emails. I also could not find my password for Gandi, and I couldn't get the password reset to work, so I panicked, but fortunately Gandi will let you renew someone else's domain. Not a transfer, just if account A wants to pay to renew account B's domain without any change of ownership, they allowed that, so I made a quick throwaway account, and renewed everything for eight years.

SR2Z 4/2/2025||||
I mean, sure, but I and probably 99% of other folks have a credit card set up to autorenew. This is a security problem, but not a very serious one.
stubish 4/3/2025||
Credit cards have expiry dates, or at least they do over here. I expect my partners domain to expire 10 years after my death, as I can only pay 10 years in advance. To many people, there are more important things to worry about (and often second thoughts after the fact).
koolba 4/3/2025||
Why hasn’t anyone made a TLD with infinite expiration?

The price should just be the present value of the annual fee cash flows.

easygenes 4/3/2025|||
Hate to say, but might actually be a legitimate use case for blockchain here. Identity provider which is responsible for being a source of truth on aliveness tied to a smart contract for paying annual registrar fees.

Though the traditional way would just be finding a registrar which can direct debit (e.g. CSC Global or MarkMonitor) or setting up a trust account for someone to manage it for you. Or just power of attorney plus escrowed account.

palata 4/4/2025||
Apart from cryptocurrencies, I don't think that there are any legitimate use-cases for blockchain.

Then the question is whether we want cryptocurrencies or not (I don't).

pyrolistical 4/3/2025|||
I don’t get it, example?
neongreen 4/3/2025||
A promise of money in the future is worth less than getting this money now. Present value (PV) here would be - how much you would pay now to get $X after T time.

Turns out that sum of PV($X in 1 year) + PV($X in 2 years) + … converges even though the series is infinite. Look up “perpetual bonds”.

The value of $10 paid annually forever is probably $200-500 depending on [things].

Source: I work in a bank but I’m also shit at finance so take this with a large grain of salt.

morcus 4/3/2025|||
But this would only converge if you assume the fees will stay fixed or at least grow more slowly than the discount rate.
robertlagrant 4/3/2025|||
I agree, although if a business decides to close a service could it get tricky? What if all other providers charge much more and the provider can't sell your domain on to them to manage? Or they sell it on to an unscrupulous provider? A yearly fee means they can't get all the cash up front and then run.
koolba 4/3/2025||
We’re talking about the cost to save a <1KiB database record. The only reason this doesn’t exist is that the entire TLD ecosystem is a rent seeking enterprise.
PaulDavisThe1st 4/3/2025|||
Taking over a domain is not particularly connected to access to PII.

You own/control the name, not the set of files on a hosting service somewhere.

squiggleblaz 4/3/2025|||
If you buy someone's domain name, then they'll probably have emails going to it. So you set up a catchall address and discover what accounts are related to it, then you can use the reset password functionality to get access to the accounts. In some cases, they'll have a backup gmail account - and perhaps you can guess what it is (e.g. emails come through to Paul Davis so you guess, oh, maybe they have the paul.davis google account, and reset password on that).
mkl 4/3/2025|||
But if someone else gets the name, they get your email going forward, and therefore access to a lot of your accounts.
al_borland 4/3/2025||||
If you're going to buy a domain for this, don't get fancy with the TLD. I made the mistake of choosing a .io domain for this purpose and with the future of the TLD uncertain, I have been moving away from it, so I'm not left in a bad spot if things go sideways.
ohgr 4/3/2025|||
Yeah even sensible looking decisions can backfire. Am in the UK. Had to scrap my .eu domain due to brexit.
mary-ext 4/3/2025||||
Never go for ccTLDs for anything critical, since you're practically at the whims of the government controlling it (see: .af ccTLD that the Taliban took over)
folmar 4/3/2025|||
One exception is the country you actually live in, then a local TLD wins you at least a more reasonable way to go to court.
Nuent 4/4/2025|||
Never ever? Should I start moving away from my .li domain?
tombert 4/3/2025|||
wait what? Is .io going away?

I have a .app domain for my email, and have had it since like 2018. Now I'm wondering if that was a mistake.

ms512 4/3/2025|||
.io is the ccTLD for Chagos Islands.

UK will give sovereignty of Chagos Islands to Mauritius.

There is a mixed history of what happens to the ccTLD in such cases.

See also https://news.ycombinator.com/item?id=41729526

williamscales 4/3/2025|||
The British Indian Ocean Territories (.io) might go to control of Mauritius. They will be able to decide what to do with the TLD. It could in principle be restricted to residents, or go away entirely.
xp84 4/3/2025||
> It could in principle be restricted to residents, or go away entirely.

If the UK loses control of it, I'd put most of my betting money on Option 3: The new owners extort everyone with a .io domain for a rate proportional to the perceived value. In other words, $50K a year for a successful tech company, $1000 a year for the average joe who doesn't want to lose control of a domain tied to 1,000 accounts.

easygenes 4/3/2025||
The average Joe with an io domain is probably a developer happier to code up a migration than be extorted so dearly.
tombert 4/3/2025||
I bought the tombert.com domain about eleven years ago, forgot to renew it, GoDaddy auctioned it off and a squatter sat on it, and they wanted $1800 for it back, which of course I wasn't going to pay for my dumb internet alias. I tried calling the squatter and offered to pay them $200, and they said that maybe they could setting for $1000, but this domain is in "really high demand" so they can't go lower than that.

I would occasionally check it, and the price would vary by hundreds of dollars, but never a price I was willing to pay. Eventually I think it lapsed again and was picked up by some Chinese site that (I think) was trying to sell massages.

Finally, in 2021, I guess they got tired of paying for it, and it fully lapsed, and I was able to purchase it, so I bought it for ten years.

phantomathkg 4/3/2025||||
People should, but is the existing process simple enough even any laymen can do is the question.
palata 4/3/2025||
To be fair, most people I know that are competent to do it just don't. So there is probably another reason, like "people can't be arsed to do it".
Mistletoe 4/2/2025|||
The average person is not intelligent enough to have their own domain.
Hojojo 4/3/2025|||
Getting a domain is no more difficult than selecting some "easy web hosting and email" bundle on a site and paying for it with bank transfer, credit card or whatever. There's an entire industry around this. I've met plenty of people who are largely clueless about PCs, doctors, lawyers, artists, etc who have their own domain. It's actually extremely common, because conducting business from a Gmail account is a bit unprofessional and sketchy, particularly here in Germany.
lelanthran 4/3/2025||||
> The average person is not intelligent enough to have their own domain.

You think that that skill (maintaining own domain for email) is an indicator of intelligence?

johnisgood 4/3/2025|||
It is an indicator of knowledge, not necessarily intelligence.
palata 4/4/2025|||
My interpretation was that they didn't mean to talk about "intelligence", just meant that the average person is not "competent enough" to have their own domain. Which in all fairness is not wrong.

My question is always: of those who are competent, why is the vast majority not having their own domain?

palata 4/2/2025||||
I said "own your domain", not "self-host your email server".
kube-system 4/3/2025||
"own your domain" is technobabble to 99.999+% of email users. Most people understand emails addresses are <something> "@gmail.com" or "@yahoo.com" or "@<somebigcompany>.com". They don't understand the parts of an email address, nor how or why they are constructed that way.

I have been using a personal domain for my email address for decades and when I have to give it out verbally to someone, it is about a 50% chance that the conversation is:

"My email is <name@myname.tld>"

"uuhhh... at gmail.com?"

"No it's just <@myname.tld>"

"Yeah, but is it gmail or yahoo?"

kelnos 4/3/2025|||
That's why you don't sell it as if you were marketing it to techies:

    (*) Choose a personalized email address, like john@smith.com, for $9.99/year.
    ( ) Choose a GMail address, like john.smith@gmail.com, for free.
They could handle the domain registration for the user, whether by being a registrar themselves, or partnering with another registrar behind the scenes. And yes, most people will still pick the free option. But that's ok.

I've had my own domain for a good 20 years now, and while I've encountered some confusion when giving it out, it's never been as bad as you describe, and people get it without my having to go into a technical explanation. And regardless, the reason there is this problem is because easy, seamless personal-domain options don't really exist. If they did, this problem would go away. I don't really consider this to be an obstacle.

jrnichols 4/3/2025|||
I am the same, self-hosting for many years and while I have the occasional question about it, it's easily corrected. I now have a short .com domain I use because my .fyi one was even more confusing to people, and simply didn't work with some systems I needed to use.

A bigger problem in my opinion is just how heavily people have associated "Google" with "the internet" and "Gmail" with all email in existence. They don't even think about outlook.com or even hotmail anymore. All email is Gmail to many people.

palata 4/3/2025||||
> I've had my own domain for a good 20 years now, and while I've encountered some confusion when giving it out, it's never been as bad as you describe

Similar here, though I haven't encountered any confusion at all. I got remarks like "How do you get your name as the email? That's fancy!"

kube-system 4/3/2025|||
Well, gmail does that already. It's $7/mo.

https://workspace.google.com/solutions/business-email/

palata 4/5/2025||
That's actually a really good point: businesses typically have addresses of the form employee@company.com.

That makes it very weird to me that someone would ever be confused by an email that is not @gmail.com...

xp84 4/3/2025||||
This was the exact kind of trouble I used to have when I gave out @myname.com emails. It was super not worth it. It confused people all the time. I switched to a plain Gmail with nothing hard to spell, just a few letters and (sadly) numbers. (I waited like a decade before 'claiming' a Gmail address, so no decent versions of my name or anything professional remained without numbers.)

Also, Gmail actually blocks true spam, whereas nothing I tried on my shared-hosting server with SpamAssassin ever worked.

I don't have any love for Google, but I'll never go back to giving out a personal domain email for any reason.

kelnos 4/3/2025|||
I've had my own domain for ~20 years, first on Google Apps for Domains -> GSuite -> Google Workspaces (or whatever their naming changes have been), and moved over to Fastmail a few years ago.

Fastmail's spam filtering isn't as good as Googles, but has fewer false-positives, and the spam it does let through is trivially manageable. I did host my own mail server for a year or so prior to using Google, but I agree dealing with spam filter configuration and tuning was a headache, and I gave up. Nowadays I can only assume it's even harder to run your own email server, so I'd never recommend anyone do that when there are options for other people to do it for you.

I occasionally get a confused customer support person on the phone when I need to give them my email address, but they understand in about 7 seconds and it's no big deal.

nytesky 4/3/2025||||
Well, I actually like to have my own domain for things where I have purchased something and have ownership, like my Amazon Kindle account. It is tied to my Gmail account and then Gmail decides I am sketchy for some reason I lose access. It’s probably a little easier to maintain my Domain, and there are legal mechanisms to restore it if it is taken away for any reason other than nonpayment.
kube-system 4/3/2025||||
Due to spam and deliverability issues, I'd personally never self-host an email server either. Plenty of good providers will allow you to bring your own domain and deal with the hard parts for you.
palata 4/3/2025|||
> It was super not worth it. It confused people all the time.

Genuinely interested: was it in the US? Feels like people in the US are more used to having one big service that everybody uses.

I have never seen confusion about my personal email...

kube-system 4/4/2025|||
I think the confusion was less about the part after the @ not being a major well known service, but not being something that sounds like a company or a service. I think their confusion is that it has my name in it, and people are used to a name going before the @. ...so when I say my name, they're expecting another @.
xp84 4/4/2025|||
Yes, exactly. US. Every millennial has Gmail, idk what GenZ does, probably also Gmail. GenX and Boomers probably split between Gmail, Yahoo, iCloud, and a few AOLs - and that covers probably 95% of Americans.

It was almost embarrassing for me, I have to admit — especially times when I’d been clever about it and set up, say, searsaccount@myname.com as a forwarder, and the cashier at Sears needed my email address. They once asked me oh, do you work for Sears?

palata 4/4/2025||
I feel like the US have a culture of big chains like that. You want an email? GMail. You want mexican food? Chipotle. etc. I don't mean that as a criticism, but there seems to be a cultural thing.

In most parts of the world, you don't almost exclusively chains of restaurants, and people don't expect that. Just like it's normal to have someone suggest a restaurant you have never heard about, it's normal to have someone use an email provider you've never heard about.

Or maybe that's completely unrelated, I don't know :-).

linkregister 4/3/2025||||
Worse is the California DMV. All password reset emails going to my custom .com would be subject to multi-hour delays; the password resets were valid for only a few minutes. The only way into the account was to call the tech support phone line. I had them delete the old account and re-registered with a bland gmail email address.

I don't know of any technical reason to delay emails to minor domains. My domain has valid MX records, uses SPF, has valid DKIM TXT records, etc.

lelanthran 4/3/2025|||
> I don't know of any technical reason to delay emails to minor domains. My domain has valid MX records, uses SPF, has valid DKIM TXT records, etc.

I still run into that with my business address; after much mucking around with client's MS admin who did various pieces of magic on their online/azure/microsoft email platform until we finally got it down to around 2m for the delay.

The upside appears to be that now all clients who are using microsoft appear to have only a 2m delay when sending email to my business domain.

kelnos 4/3/2025|||
Strange. I have my own .org and I've never had a problem with the California DMV's reset emails... I just had to reset mine a month or so ago to start my license renewal, and the reset email showed up almost as fast as I could switch tabs to my webmail.
linkregister 4/3/2025||
Thanks, I appreciate the additional data point. They do have a tech support method so I can use this to start a ticket. It could be the same situation as the other commenter, where the underlying service is delaying outbound emails.
nytesky 4/3/2025||||
I would argue a US mailing address is at least as complicated a structure, but people managed to figure out the state abbreviations and ZIP Codes fine. We just need to teach it in elementary school just like we do addresses.

Speaking of that I do wish the post office had a mail service where they issued addresses to citizens or something.

kube-system 4/3/2025|||
Yeah, I think digital literacy courses cover things like that, and they should.

But mailing addresses are actually extremely complicated and most people probably don't understand the full scope even of US mailing addresses. The spec is 226 pages.[0]

[0]: https://pe.usps.com/cpim/ftp/pubs/Pub28/pub28.pdf

If you've ever had an address with any complexities beyond what is taught in elementary school (number, street, city, state, zip), you'll probably experience issues with getting others to correctly address your mail. The biggest reason this isn't a problem is because the postal service takes significant effort to deliver misaddressed mail.

koziserek 4/3/2025|||
whoa, I just imagined a world where USPS, Deutche Post, etc - offer domains, servers, cloud services - as a natural extension of treir previous roles..
kube-system 4/3/2025|||
Some countries have digital mail services that are actually better than email because they include identify verification features

e.g. https://www.digipost.no/

1718627440 4/7/2025|||
That used to be the case before the privatization in the 90s. What do you think the Deutsche Telekom is?
palata 4/3/2025|||
Just curious: do you own your own domain? My experience is that many (most?) people who would be competent to own their own domain just don't.
kube-system 4/3/2025||
> I have been using a personal domain for my email address for decades
palata 4/3/2025||
Yeah sorry, I answered to the wrong comment :-).

But still, I have this feeling that many people who would be competent to own their domain just don't do it. And they could give an email to their family, too. And help friends setup theirs.

I'm not completely sure that the issue is "it's too hard". To me, it's like password managers. Sure, it's too hard for some people. But most people just can't be arsed to use a password manager, though they would be totally competent.

"It's too hard" is, in my experience, often an excuse to be lazy.

kube-system 4/3/2025||
For the average person, the benefits of having your own email domain are not very weighty compared to the risks, complexities, spent social capital, and inconvenience of having one.

For most people, if they want or need to switch email providers they will simply sign up for a new service, give people their new address, and move on with their life.

This whole conversation is a lot to do about something that the average joe just doesn't give a shit about. It isn't laziness. It really isn't that important of a life task for most. It's an appropriate prioritization of tasks under a lifestyle different than yours.

kelnos 4/3/2025|||
I agree that most people don't care, and probably don't have the energy and time to care, and that's mostly fine. That is, until Google decides to arbitrarily close their account, with no recourse. Sure, over the number of people who use GMail, only a tiny percentage experience this, but it still sucks. And in that case people are usually more upset that they've lost their photos, docs, etc. than their email.

I don't really see an actual problem here, unlike some others commenting, but it is a general shame to me that more people don't have their own email domain. It would make the world more... colorful... somehow, even if in just a small way.

kube-system 4/3/2025||
Agreed, of the things people keep in their Google account, the email address is probably the least valuable to them.
palata 4/3/2025|||
> For the average person, the benefits of having your own email domain are not very weighty compared to the risks, complexities, spent social capital, and inconvenience of having one.

I honestly think that most people don't know why it matters. 20 years ago I was happy (and proud) to have gmail, and didn't see a point in having my domain. Until I chose to move away from gmail, and then it all made sense.

I have an example: many (most?) universities give you an alumni email when you graduate. Some offer actual hosting, but others just ask you to redirect. It is free, and for many universities, graduates would trust their university more than gmail, right? And it wouldn't lock them into gmail. Still, none of my friends from university use it. Most use gmail instead.

Now tell them: "Look, if you use gmail, then Google can read all your emails. You didn't give a shit 4 months ago ("I have nothing to hide"), but now you've heard of random Canadians and Europeans getting deported or declined entry in the US for random reasons, including one who wrote stuff against Trump. How do you feel about the US reading you emails and deciding whether they should deport you or not based on that? If you controlled a domain, you could move away from gmail. Now you can't. Also know that if they can read your emails, it means that they know the flights/hotels/trips you booked, whatever you bought online, and they can just access all your accounts everywhere."

What will they think? "If I was to do it again, I would still use gmail" or "Would actually be nicer if I had been using my alumnus email all along"?

kube-system 4/3/2025||
> now you've heard of random Canadians and Europeans getting deported or declined entry in the US for random reasons, including one who wrote stuff against Trump

This doesn't happen because people are using gmail. It happens when people post things on social media or get searched at border crossings.

palata 4/3/2025||
It happens for random, unjustified reasons. Wouldn't you want to protect your data from a country that behaves like that? I sure would.
kube-system 4/4/2025||
Not using gmail doesn't solve that. If you cross a border you can have your device searched and denied entry if you don't cooperate. If you post on social media, the data is in plaintext for the world to see.
palata 4/4/2025||
Are you trying to say that you don't need privacy because what you say publicly is public?

I'm not following.

kube-system 4/6/2025||
If you say things publicly you have already chosen not to have privacy with regard to those statements.
palata 4/7/2025||
Sure. And if you say things privately you have chosen to have privacy. Which is very limited if you say your private things on a US service and don't feel like having the US randomly read them and deport you.

That was my point, I'm happy to see that we agree :-).

kube-system 4/7/2025||
You are misinformed as to the circumstances of the above stories you cited, because that isn't what happened in those situations.
999900000999 4/2/2025||||
Or they have better things to do vs fighting Route53 MX records errors.
yakireev 4/2/2025||
Records, shmekords.

The practical experience of having your own domain for your email is that you delegate your domain to Google / Fastmail / Proton / whatever, and it takes care of everything else. Some webmail providers will also let you buy a domain on their own website as a part of registration flow.

It really is not hard. Harder than not having a domain of your own, but not as hard as you make it sound.

999900000999 4/3/2025||
Okay, do you think if we just picked some random person they would have any idea what we're talking about?

It's just not something normal people do, but I don't like the snarkiness of implying that's an indicator of intelligence. Otherwise we go down the no true Scotsman rabbit hole, what do you mean you're using Proton. You didn't set up your own mail server ?

What do you mean you're using AWS, your not using a solar powered raspberry pi?

kelnos 4/3/2025|||
It's not an indicator of intelligence, but mail providers (including Google) could offer this if they want to, with a simple "Choose a personalized email address, like john@smith.com, for $9.99 per year" radio button on signup. They don't do this because:

1. Most people will choose the free option, so it wouldn't be much of a useful revenue stream.

2. People having @gmail.com email addresses is a little bit of zero-cost marketing for them.

Retric 4/3/2025||||
Random people don’t know how to do most things, but how easy it is to follow the directions is what matters here not knowing all the individual steps.
xp84 4/3/2025|||
Even following all the directions is not trivial, nor is it easy to troubleshoot when something mysteriously goes wrong with what is usually a pretty vital connecting piece for most of your digital life.

Plus all the good places to host your personal domain cost money, so now people who have gotten email for 'free' for 20+ years now have to start paying a monthly email hosting bill and annual domain registration fee because some 'nerd' told them they "should"? And if they ever forget to pay either one, suddenly their email is down and their email 'identity' is at risk of being resold.

This advice is exactly like changing your own oil: Anyone with enough interest in cars and dedication to learn the steps certainly can easily do it, yet nobody should try to convince their grandparents who aren't already highly self-motivated to start doing it.

999900000999 4/3/2025||
Eventually you have to trust someone anyway.

If you don't trust Gmail, then you have to use Proton to host it, don't trust them then your on AWS, don't trust them you still need you ISP to play nice with a home server.

Unless you want to raise your own carrier pigeons...

mmooss 4/3/2025|||
Have tried giving detailed directions to people? Nobody follows them, and the few who try don't do it effectively. There are many steps to setting up a domain - and with an email host!
robertlagrant 4/3/2025|||
You're both wrong (-:

Currently it's too hard for normal users, but it would be possible for e.g. Proton to add a feature where you can either import your domain name, or create a new one.

kelnos 4/3/2025||
"Normal" users aren't going to be using Proton.
eikenberry 4/2/2025|||
Sounds like a business opportunity.
ferfumarma 4/2/2025|||
I'm deeply skeptical as well.

If firefox doesn't have enough compelling ideas and features in its primary domain of the browser, then how are they going to develop a new mail competency in such a complete way that they can take on gmail?

Whether they succeed or fail, this will sap resources from the browser team. And it seems overwhelmingly likely to fail.

brnaftr361 4/2/2025|||
I don't think it's so much that they don't have ideas it's that they're competing with Alphabet's Chrome, who are coincidentally owners of Android, Gmail, YouTube and Google which are internet keystones. I think it's solely by coincidence that I use Firefox rather than Chrome and if I'd started using the Internet a few years later it would have been Chrome.

Also isn't a huge proportion of internet activity mobile users, and outside the US the majority of phones are Android, and most people leave things default, thus Firefox is condemned have a minor share essentially since Chrome is packaged natively with Android?

Anyways I hope they can dislodge some of the Google train. I abhor using Gmail. Better yet if they can compete with Outlook to some extent. Mozilla actually produces software I trust enough, which has enough utility that I'll install it.

aleph_minus_one 4/3/2025||
At least in Germany, Firefox users are very vocal, and will tell other people all the time that they should switch to Firefox on their PC and laptop if they see them using in particular Chrome, but also Edge.

Indeed, Firefox' market share in Germany is larger than in many other countries.

tga_d 4/3/2025||||
Firefox is developed by the Mozilla Corporation, Thunderbird is developed by MZLA. They're both subsidiaries of the same non-profit, but they don't share funds or employees, so it's not clear to me how this could "sap resources".
mikae1 4/3/2025||||
> how are they going to develop a new mail competency in such a complete way that they can take on gmail?

They're likely not taking on Gmail, they're taking on Mailbox.org, Proton and Tuta.

mmooss 4/3/2025|||
GP here: I'm not deeply skeptical; I'm just wondering about these issues.
fracus 4/2/2025||
Do people still use Thunderbird client? I would guess 99% of people use their browser.
rfarley04 4/2/2025|||
I use it and feel like it's...fine. A tad slow, and doesn't have some basic features I'd like. But I haven't found any other non-browser clients that I like better than Thunderbird.
lelanthran 4/3/2025||||
> Do people still use Thunderbird client? I would guess 99% of people use their browser.

Count me as one. It's nice to have a single local application that is set up for around 5 different accounts on two different providers.

I also like the immediacy of search on the local data. When I search for something I don't want to see a spinning busy-beachball indicator.

makeitdouble 4/2/2025||||
I think it's definitely a minority.

I use it to follow three Gmail accounts in parallel, since the web version is a PITA to deal with that scenario. Getting access to my local archive is a bonus point.

mcflubbins 4/2/2025||||
I use it for my email. It does exactly what I need it to, works across several platforms. Is Open Source.
abhinavk 4/3/2025||||
Virtually nobody uses mail via web browser on phones, the primary computing device of the world right now.
fracus 4/3/2025|||
If people are using their phones then they are using their email service's app to check their mail. Not Thunderbird.
aleph_minus_one 4/3/2025|||
> the primary computing device of the world right now.

Whether this is true or not depends a lot on which the bubble is that you live in.

jamesfinlayson 4/3/2025||||
I used it at a previous job that didn't have a web option for email, but for me the killer feature was that it was the only mainstream newsgroup client (the job delivered error notifications via newsgroups).
xp84 4/3/2025||
> the job delivered error notifications via newsgroups

Well, now I've heard everything. This is either peak greybeard creativity, or that was a thing in like 1992 and a system has been left alone for 30+ years to just do its 90s thing. Either way I kind of love it.

jamesfinlayson 4/3/2025||
Haha probably peak greybeard - the founder and his two friends had been doing Internet stuff since the mid 1990s but the code was much newer. I assume the system worked so they kept doing it. Everything was on-prem too so I guess was an easy option to make logs accessible to everyone without paying for a service.
classichasclass 4/2/2025||||
Yes, on desktop (macOS and Linux). It's not a speed demon but I trust it (on Linux I build from source).

On Android I use Fastmail's mobile client, but I'm thinking of trying the new mobile Thunderbird there too.

alpaca128 4/3/2025||||
Thunderbird lets the user change the UI and hide almost every single element of it. I don't like clutter.

With that feature I could also help an elderly friend after Microsoft abruptly replaced the easy to use Windows Mail with a mess that they didn't even bother to translate into other languages.

roelschroeven 4/3/2025||||
At my (small) workplace we all use Thunderbird, and I use it for my personal email as well.

A good desktop client, once configured, works a lot better than web-based email clients, especially (but not only) when you have different email accounts that you want to use in the same interface.

jrnichols 4/3/2025||||
Not only do I use it for my non-primary email accounts, but I use it for NNTP too. :)
nektro 4/2/2025||||
yes i exclusively use thunderbird to check my email
apparent 4/3/2025||||
I like not looking at ads when reading my email, so I use it. If it added local AI based drafting assistance, I would check out that feature. I don't care about FF Send, but might use it a couple times a year.
fracus 4/3/2025||
Don't most people use an ad blocker?
roelschroeven 4/3/2025|||
No, I think people who use ad blockers are a minority. And it's not getting better with Chrome/Chromium switching to Manifest v3 which has significantly worse support for ad blockers.
apparent 4/3/2025|||
I do, but Yahoo for example includes ads in the inbox itself, disguised to look like new messages.
Beijinger 4/3/2025||||
Web based email is a disease.
fracus 4/3/2025||
What don't you like about it?
Beijinger 4/3/2025||
The handling, the speed, the unavailability of functions and the idea about it.
fracus 4/3/2025||
Unconvincing at best, but most likely not even true.
cxr 4/3/2025||||
> I would guess 99% of people use their browser [for email]

Your comments reveal a major blind spot. 99% of people (or whatever) are using dedicated email clients instead of webmail. They do everything on their phone.

folmar 4/3/2025||||
I do mostly for work (Alpine does not work out that nice if everyone is sending Exchange-blended tag soup), and a lot of my friends do, many of them (non-IT) engineers.
EbNar 4/4/2025|||
[dead]
ttoinou 4/2/2025||
Make thunderbird supports a local database with 100k emails with proper search ! Make us pay for that optimization if needed. Email is a big tool of communication for all businesses, Pros who make money daily through emails need to handle tons of emails, we’re ready to pay for that
miles 4/2/2025||
> Make thunderbird supports a local database with 100k emails with proper search

Currently working with a Thunderbird database which contains over 300,000 messages and search works quite reliably (once in a blue moon have to switch from "Search Messages..." to "Global Search"), though the emails are stored in Maildir format rather than the default mbox: https://tinyapps.org/blog/202207100700_thunderbird_mbox_to_m... .

nh2 4/3/2025|||
I have ~100k mails in Thunderbird. The GUI always feels a bit sluggish:

Sometimes spinners don't spin, reactions to clicks take ~500 ms, when I switch from Inbox to Calendar for the first time, I can see how the buttons in the top row render one after the other in ~100ms. (I don't think a human should _ever_ see buttons render!)

Sliding around the size of panels renders at 10 FPS, not so cool.

Opening "Account settings" first produces a full white-flash, then a grey-flash (dark mode), and then renders the UI element.

Startup takes ~5 seconds till the GUI fully shows. Then it hangs at "Opening folder INBOX..." for 60 seconds. Not sure why that sync takes so long when there are no new emails.

So it works acceptably but doesn't feel great.

Searching for e.g. "horse" in the Ctrl+K global search and hitting ender takes 5 seconds for full-text search to produce results. I think that part is OK. I mostly use the "Quick Filter" == "Filter messages" == Shift+Ctrl+K instead to search only subjects and correspondents.

I have ~100 IMAP folders (from +suffix emails). Unfortunately Thunderbird doesn't notice when a new folder gets spawned by a new +suffix email, I have to restart it Thunderbird to ever get to see that email.

RAM usage is 900 MB RES on Linux. (I could not check if that's glibc's fault as so often, because Thunderbird crashes when jemalloc is preloaded.)

When I move the mouse cursor around anywhere in the GUI, that causes 90% CPU usage. For comparison, in Sublime Text, moving the mouse cursor around causes 10% CPU usage over the text buffer and 25% over tabs.

ZeroTalent 4/3/2025||
I feel their Linux version is inferior to other OS versions :(
SSLy 4/3/2025||
it happens on windows too.
ZeroTalent 4/4/2025||
I rest my case.
accoil 4/3/2025||||
How decent is the maildir support? I looked into it a few years ago, and it seemed to still be experimental. My goal was to have other mail clients use the same maildir store, but I didn't feel like it would work at the time.
meonkeys 4/3/2025|||
Woah, how? My global search indexer seems to poop out when the sqlite db gets too big or something.

https://www.reddit.com/r/Thunderbird/comments/1jjzb6b/global...

On another note, Thunderbird feels quite snappy for me. Fast and responsive, especially global search.

Even so I think I prefer Recoll now that I've got it working. That thing is amazing.

Koffiepoeder 4/2/2025|||
I have a (non-published) plugin that I'm using that is capable of using elasticsearch for indexing & search from within Thunderbird. I never bothered publishing it, since I never really wanted to maintain it/build a business out of it. Would this be something you are interested in, potentially for a small fee?
ttoinou 4/2/2025|||
It might not work for me for various reasons, but pay a fee to release the source code in the wild for anyone (me or others) to pick it up, yes why not ! Safer if you put a way to contact you on your profile
Koffiepoeder 4/4/2025||
Updated contact details ;)
packetlost 4/3/2025||||
Elasticsearch is a pretty bad choice for what really needs to be an embedded database. There are other FTS engines out there of varying quality that would be better suited to this particular case. Off the top of my head, Meillisearch and sqlite3's FTS5 would both be highly embed-able but have other tradeoffs (such as storage overhead).
Koffiepoeder 4/4/2025||
I do agree that it is a bad choice, though the reason for this is historical; after quite some testing and comparisons, the best JS-based index I could find at the time was elasticlunr [0]. It may very well be the case that there are better wasm alternatives available currently.

Over time I then added a non-JS, external index. Since I already had an ES cluster running elsewhere anyway and the querying of elasticlunr and ElasticSearch is forwards compatible, I decided to just opt for re-using my ES cluster.

In short, the decisionmaking was a mix of historical and compatibility/ease-of-maintenance reasons.

[0]: http://elasticlunr.com/

packetlost 4/4/2025||
Yeah, if you already have elasticsearch running it's a good choice. Most people are not going to have that or want to run and maintain elasticsearch though. Reasonable decisions for your situation though!
xiconfjs 4/3/2025|||
Yes please, would love to try it out!
Koffiepoeder 4/4/2025||
I'll see what I can cobble together somewhere in the course of the weekend/next week ;) Probably need to file off some rough edges and hardcoded stuff.
Avamander 4/2/2025|||
I mentioned the same problem in one other subthread as well. Current hardware is certainly performant enough not to become this sluggish at just 100 000 or so emails. There's actually no reason it shouldn't work well with say a million emails in one inbox.
xnx 4/2/2025|||
I haven't used Thunderbird in a long time, but regularly used Outlook with multi-gigabye .pst files. Surely sqlite on an SSD would be up to the task of handling at least million emails of average size.
mmooss 4/2/2025|||
> Outlook with multi-gigabye .pst files

What has been your experience? Mine in trying to use and support it is that Outlook is an Exchange client; PSTs are hacks to meet demand, though they work well enough in limited circumstances. Especially PSTs over a LAN connection are a disaster.

xnx 4/2/2025||
The Exchange server hardware was so underpowered (or the software so ill-designed for large mailboxes) that Exchange powered searches would fail, but ones run on the local pst would complete successfully (if slowly). This was on an HDD. SSD would be much faster.
mmooss 4/2/2025||
> This was on an HDD. SSD would be much faster.

OT but is that right? SSDs have many advantages but sequential read isn't necessarily one of them. SSDs seek is much faster, but this is ~one file. Throughput can be much faster due to the better interfaces, but is throughput the bottleneck for this kind of search?

toast0 4/2/2025|||
SSDs are usually better at sequential read as well as seeks. Depending on how outlook organizes the file (and how it gets organized in the file system) there's probably a mix of seeking and sequential reads anyway.
xnx 4/2/2025|||
Good question. Property benchmarking would be required to know for sure. It's probably rare that a multi-gigabyte file would be contiguous on disk, so lots of seeking would probably be required anyway.
Merad 4/3/2025||||
I did an internship in IT 20 years ago where we were building/maintaining desktops and other general helpdesk type stuff. I'm pretty sure I remember us having a handful of users with multi-gig pst files, running on 2005 hardware.
Spooky23 4/2/2025|||
Apple Mail.app is 10x better and right there.
DrillShopper 4/3/2025||
I'm primarily a Linux user, but Mail.app is probably the best graphical email client I've ever had the pleasure of using (you can pry mutt from my cold, dead hands).

Yes, I know it's also an GNUStep application

kjkjadksj 4/2/2025|||
Tell that to apple mail. Makes no sense how an app seemingly unchanged since the tiger days when I started using it could still be as performant as it always was on far better hardware. In fact I frequently find it to be the culprit when I wonder what the hell could be spinning my fans on this m3 pro just churning over the database.

Iphone version is arguably worse because it also has performance issues but doesn’t support inbox rules. Then again those inbox rules often fail to filter emails anyhow.

milch 4/3/2025||
I just checked mine and I have about 250k emails sitting in my personal laptop's mailbox, no issues there. It might be dependent on the provider - I know at work where we use Exchange I get occasional slowdowns but I'm not sure whether that's due to Mail.app, due to Exchange, due to our dear endpoint security software taking its sweet time checking whatever I'm doing, or any combination of these. I probably have a couple million emails in my work laptop's mailbox though. Often the "Rebuild Mailbox" function fixes any problems for me, at least for a while.

The iPhone one regularly just doesn't search properly for me though. I'll search for the exact subject or contents of a message and just won't be able to find it, then when I go to my laptop and type in the exact same terms it finds it instantly.

isaachinman 4/2/2025|||
We're building what you want.

https://marcoapp.io

mmooss 4/2/2025|||
I'd love it - email could use serious tools and refinement - but so many questions: Is it local or hosted? What is the story with privacy? Do you use an existing application (like a Thunderbird fork) or something you created?

Can you / will you integrate other messaging such as SMS, even WhatsApp, etc.? RSS?

isaachinman 4/3/2025||
Great questions.

1. It is _both_ local and hosted. The client itself is fully offline-capable, including proper full-text search (single digit ms), writing drafts – anything you would expect an email client to do. The "hosted" bit is to ensure rapid synchronisation across multiple clients (ie your desktop and mobile).

2. Some metadata is hosted in pg to facilitate cross-platform synchronisation, as mentioned. This is encrypted at rest on a provider with SOC 2 Type I certification. Further symmetric encryption (AES-256) of sensitive columns is also done. We're well aware that security is the most important aspect of this product and is our primary focus.

3. We've not forked Thunderbird. Marco has been built from the ground up, both on the FE and BE, and has been a monumental task.

4. We have no immediate plans to add SMS/WhatsApp/RSS. If those interest you, you might have a look at Missive.

We understand that storing email metadata is potentially a turn-off to some, but is actually the key driver to an entirely new email experience. It means that a Marco client itself is virtually stateless (save for some lightweight metadata) and syncs instantly across N number of clients – it runs on web/OSX/Windows/Android/etc, and changes propagate between them instantly. New client setup happens via Marco in a proprietary way on the order of seconds and doesn't take hours to sync via IMAP.

We're building this for ourselves. Thunderbird is "alright". Apple Mail is "alright". Superhuman is decent, but ridiculously expensive and Google/Microsoft only. Missive is fairly decent (and also stores metadata), but is built for team collaboration, not individual use.

Spivak 4/4/2025||
> New client setup happens via Marco in a proprietary way on the order of seconds

Do you consider this your "ActiveSync" and if so what do you see as the differentiating features/capabilities?

isaachinman 4/4/2025||
Genuinely had to look that up. Not familiar with Microsoft speak.

From a quick look, it indeed looks similar. Although I imagine Microsoft's implementation is filled with cruft.

We use Replicache + Orama. _All_ data is fully offline on the client and synced to the BE when network is available. Orama handles indexing and full text search, filtering, sorting, etc, all in single-digit ms.

Let me know if you have any follow-up questions!

corndoge 4/2/2025||||
It says "all platforms" but does not list Linux. Is Linux support planned?
isaachinman 4/3/2025||
Yes, Linux support is planned.
scosman 4/2/2025||||
How does it compare to Apple Mail? That’s my reference local email client.
isaachinman 4/3/2025||
Apple Mail was actually the straw that broke the camel's back for me.

I wrote a blog post about our reasoning here:

https://marcoapp.io/blog/marco-an-introduction

slightwinder 4/3/2025||||
Good luck with that, but as a first reaction I must say, what I see on that side is not that impressive. It's just the same feature-set & interface all over again. It's not selling me any reason why I should be more interested in this, than in all the other clients already available.

Granted there is very little on that side, but I hope if you really start from scratch, you will also look more outside the box of the established mail clients. Think about how RSS Feed readers are working and the interfaces they offer, think about task&note-managment-tools are working and what they offer. For example, why is there no mail client with a kanban-board-view, allowing to organize mails by status or tags. Why is there no client with a social media feed-interface or even a tweetdeck-like view, allowing to observe multiple mail sources in parallel. This is the kind of innovation I'd like to see in a new mail client. Not just a bit better performance and new colors.

isaachinman 4/3/2025||
Yes, we've started from scratch. A detailed explanation for our reasoning can be found here:

https://marcoapp.io/blog/marco-an-introduction

TLDR: There are _no_ IMAP-primitive truly cross-platform email clients in existence, except for Missive, which is built for team collaboration. We are building something net new.

The content on the website is indeed a minimal representation and the actual alpha product has matured quite a bit beyond what you see there.

The kanban suggestion is brilliant, I have made a note of that.

Avamander 4/2/2025|||
Your link does not work?
isaachinman 4/2/2025||
Apologies, on mobile. Fixed.
plzdotheneedful 4/2/2025|||
Why tackle problems like search when you can redesign the UI/UX half a dozen times instead?

I don't blame the developers; they do whatever they're paid to do.

Mozilla has terrible leadership and no vision. It's the worst aspects of directionless, corporate software masquerading as an open source project.

RachelF 4/2/2025|||
Use Betterbird. They upgrade Thunderbird and fix bugs.
stirlo 4/2/2025||
https://thundermail.com

Site is here with waitlist signup. It's also titled "For Those Who Know" and says: >> status beta_signup.is_open=true so perhaps theres a CLI or hidden way to signup immediately?

hnuser123456 4/2/2025||
There's an input field for an email address below that block for me
mystraline 4/2/2025|||
Turns out, in Firefox mobile, the email submission block isn't present.

I had to open Chrome Mobile to see it.

I hope this, err, 'oversight' isn't indicative of the quality of using Mozilla products.

riquito 4/2/2025||
Using Firefox mobile too, it's visible. Could be one of your extensions
mystraline 4/2/2025||
Probably Ublock Origin, which is why I use FF mobile.
Larrikin 4/2/2025|||
It is just you if its not appearing.

I'm using Ad Nauseum which is just UBO but improved with added features and it appears just fine.

johnisgood 4/3/2025|||
AdNauseam uses manifest version 2, too, so it will not be supported for long in Chrome / Chromium.
Larrikin 4/3/2025||
Works perfectly in Firefox.
johnisgood 4/3/2025||
I know. :P So far it all works on Chromium-based browsers, too, but probably not for long.
jniles 4/3/2025|||
Not just them. Also FF mobile with UBO, and no email submission block for me.
pmontra 4/3/2025||||
I've got uBO on my Android Firefox and the form is visible. UMatrix shows only first party css, no js at all, which is good. You might have other extensions. View source on my phone shows a very simple HTML page with a form that posts to list-manage.com Maybe something added to your Firefox is blocking that.
stirlo 4/2/2025||||
Yep. You might need to disable Adblock to have it appear.

I was still hoping for something more than a simple email waitlist signup however. But I didn’t find anything obvious hidden in the page that would allow immediate signup

Kirby64 4/2/2025|||
I had to disable uBlock Origin for that to show up.
tvb12 4/3/2025||
I can see it. Firefox 137.0 (desktop) with uBlock Origin enabled.
halter73 4/3/2025||
It probably depends on your lists. My uBlock Origin config had a global CSS rule blocking any elements with a #mc_embed_signup id.
wiether 4/3/2025|||
So... I need an email address to signup to an email service?
bravetraveler 4/3/2025||
Similarly, may need a cell phone to open a bank account to get a cell phone

If the bank wasn't at the birth, do they really know the customer? Pffft.

mvdtnz 4/2/2025|||
That is without a doubt the worst landing page I have ever seen.
solarkraft 4/3/2025||
> using the open-source Stalwart stack

This is REALLY cool news. This will make them the second JMAP compatible vendor and the first that didn’t invent it (which is an ick)!

This makes it MUCH more interesting to build JMAP clients. I will most likely subscribe to this just to play around with JMAP because I‘ve been to lazy to set up Stalwart for myself.

I wonder whether they will build a new web front-end, since the existing FOSS ones I’m aware of aren’t all that great.

Y_Y 4/2/2025||
> >> philosophy

> open_source & privacy_focused & user_controlled

Is their philosophy a bit string? Or maybe this simple mistake of using a bitwise AND is what's gotten Mozilla's mission so corrupted these last many years.

squiggleblaz 4/3/2025|
What else could it be but a bitwise AND. If they had used `open_source && privacy_focused && user_controlled`, it would just be `true`, which is hardly an interesting philosophy. This way, you'll be able to do tests like `if (!(philosophy & privacy_focused)) { track_user_activity(); serve_creepy_but_useless_ad_about_something_they_bought_yesterday(); }`. Alternatively, they could have used some kind of set datatype if the number of philosophy variables is large enough, but I think the code would have become unmaintainable if they want to implement every possible philosophical alternative; 64 bits should be enough for everyone.
saurik 4/3/2025|||
But, in that case, shouldn't they be using | here?
rhet0rica 4/3/2025|||
Silly Mozilla. Everyone knows you use bitwise OR to perform union operations!
tristan957 4/3/2025||
This is an announcement by MZLA Technologies, not the Mozilla Corporation. This thread is completely derailing because people do not understand the difference. Let's actually discuss the service, Thunderbird, or MZLA Technologies.
debugnik 4/3/2025||
To be fair, Mozilla's org naming has proven itself confusing. Half my HN karma must be pointing out the difference between the Foundation and the Corporation when people talk about "donating to Firefox".
inetknght 4/2/2025||
So... after the Mozilla/Firefox EULA and TOS fiasco... there's no way in Hell that I'd touch this.
the__alchemist 4/2/2025||
As far as I can glean, this is a "me" problem, but does anyone else find Thunderbird's search to be mostly-broken? I.e., will not find emails that should turn up in a query.
cycomanic 4/2/2025||
I agree, the search is quite bad.

The UI is bad and the results seem to be poor. I don't necessarily have the issue that emails are not in the results, but more that results are too numerous and the only way I can narrow down results is putting more constrains in the UI. What often happens for me is that I search using a several terms or some specific phrases and the search returns tons of results (does it just do an OR between words in the search) and I then end up clicking (why can't the time constraint be a slider?!) through different months (based on what I recall about the timeframe of the email) until I find the email.

When I was using notmuch I recall results being much better.

Another annoyance is that Thunderbird only seems to search locally, i.e. if I don't have some folders downloaded it will not do a server search as well as a local search (maybe there's a setting for it?)

CJefferson 4/3/2025|||
I submitted a Thunderbird bug 13 years ago now, that Thunderbird doesn't let you just search for a word, and find all copies of that word: https://bugzilla.mozilla.org/show_bug.cgi?id=752844 . Their search instead tries to be clever, but it then finds stupid stuff like (in my case) "The base of Wedding is wed. The plural of wed is weds. Lets return every email ever from a Wednesday"

Still not fixed.

kayson 4/2/2025|||
I've been pretty happy with its search and have never had issues finding emails. The UI isn't great and theres a lot of cruft to filter through but it does work...
abdullahkhalids 4/2/2025|||
I have found that "Quick Filter Bar" is often much better at searching if you know which folder the email is in.
cycomanic 4/2/2025||
yes that's true, unfortunately often enough I don't know which folder the email is in.
folmar 4/3/2025|||
Yes, Thunderbird search become unusable when they removed the option to run search on server. But apparently the "quick filter" works in a different way so if you can live with one folder only you can use it.
climb_stealth 4/2/2025|||
It helps to sort the results by date rather than relevance. Relevance is the default and the results are all over the place and it does indeed feel utterly broken :)
kjkjadksj 4/2/2025|||
Sounds like Apple Mail so maybe no one gets it right.
Avamander 4/2/2025||
I run grep on Thunderbird's storage directory and it's significantly faster than anything Thunderbird itself attempts. (It also allows finding exact matches, fuzzy search without language "awareness" is disgusting to use.)
bjoli 4/3/2025|||
Even worse: the Swedish translation is lacking, so I use English. But my emails are often in Swedish. Making åäö and aao equal is never what I have ever wanted.

Not as bad as gnome which - in addition - has not let me reliably set things like date formats or first day of the week since several years despite using Swedish as my language.

mmooss 4/2/2025|||
That's kind of the point of the Unix text stream philosophy? TB stores as text, and then you can use the best text search tool you have.

Do you use mbox or maildir, out of curiosity?

Avamander 4/2/2025||
> That's kind of the point of the Unix text stream philosophy? TB stores as text, and then you can use the best text search tool you have.

To some extent, yes. Though emails are structured text and a bare string search is far from an optimal search strategy.

> Do you use mbox or maildir, out of curiosity?

Whatever the Thunderbird default is.

mmooss 4/2/2025||
Thanks and good point about the structured data.

I ask about mbox (one file system file per Thunderbird folder - e.g., one file named Inbox containing all its messages) or maildir (one folder per TB folder, containing one file per message) because it affects search using outside tools that don't understand that folder structure.

I'm wondering how efficient they are: When you search, does grep return an Inbox mbox file at a certain line number, or a maildir file?

Avamander 4/2/2025||
It seems to be mbox, one file per Thunderbird folder.

Thunderbird itself seems to build some kind of an index next to mbox files. But finding the relevant email in TB's files makes it much easier to locate and open in TB itself (if it's needed). But I'd heavily prefer it to not be this way.

gruez 4/2/2025||
The article is pretty light on details so I'm going to ask: why should I get this compared to something like fastmail or protonmail? Does it at least have end to end encryption? Is this just going to be a case of Mozilla partnering with another service provider (eg. mullvad for mozilla vpn), slapping their logo on it, and collecting a royalty?
mentalgear 4/2/2025|
Rooting for mozilla and their privacy-focused services. Been using the email-masking feature (generate forward email addresses) for a while and really like it.
JadeNB 4/2/2025|
> Rooting for mozilla and their privacy-focused services. Been using the email-masking feature (generate forward email addresses) for a while and really like it.

I don't know how the privacy of this one will shake out, but the privacy focus on the browser includes allowing them to share your data, so that makes me way less enthusiastic about continuing my investment in their ecosystem.

glenstein 4/3/2025||
They're trying to square the circle with anonymized data, but I think even that is still about profiling, and group profiling is only one degree less concerning than individually user profiling.

So I don't love it, but I know how to differentiate it from the worst of the worst.

More comments...