You may consider helping the Thunderbird devs
this post was submitted on 20 Mar 2024
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@GarlicToast @Matty_r , definitely do. With the little money I have, I use this program on 3 machines of mine. The junk mail filter isn't perfect, but actually works compared to Hotmail's junk filter.
Yep. I think I may actually do that. I'm leaning towards doing an extension for search to get all the emails into Elasticsearch or Meilisearch.
Do a Thunderbird Addon instead. I dont think such a project would be sustainable, or that all this fragmentation helps
In order to provide some contra to the other comments here
Have fun! Unless you have insane amounts of freetime you probably won't finish it or get it to a state of solid usability. But maybe the journey is the goal and that doesn't even matter.
Cheers, yea its just something to work on/look into. I'll never finish it of course, but if I can get a few versions into it and has some users/interest I'll keep working on it.
There's an old joke that every sufficiently big program eventually grows it's own built-in email client. IOW more email clients are the last thing we need.
How substantial and bleeding edge a project do you want to take on? We could use a fast search engine with more modern NLP stuff than Lucene had last time I looked, though idk about now. You could then possibly integrate it with Thunderbird.
Can you give some examples of large programs with their own email client?
I've heard this joke about emacs, not sure if it is true though.
Maybe a plugin would make more sense and reduce the scope a bit?
Email is ridiculously complex—the technology is dead simple, but the number of exceptions and (undocumented) rules you need to abide by or risk getting banned by half the internet without being told is nothing to sneeze at.
I should know: I have built multiple support platforms that worked through email (amongst other channels).
You mention wanting to start at the SMTP level, and then building a Qt interface. So you’re going to write an SMTP client, an IMAP/POP3/JMAP client, a storage engine, a user interface, and a better search system, all on your own? You’re describing a gargantuan task.
No offense, but each one of those could be a project on its own. You probably think they’re all simple tasks (they’re not), and that you can follow a few RFCs to get things going (you can’t), and that it’ll be easy to debug (it won’t). Finally, I think you’re underestimating how large people’s email maps get.
Why not write a plugin for Thunderbird that improves the search?
No offense taken. But I've made no assumptions on the simplicity, and I know its a big task and want to start small. I don't mean to compete with Thunderbird, just I like it.
I think it would be a great exercise in learning the protocol and message handling.
Okay, fairy nuff.
In that case, I would probably start with writing an SMTP or IMAP proxy first. It will teach you everything you need to know about the protocols, and you can reverse engineer the protocols using a client that already works.
It would give you a tangible project outline, which I believe is often critical to not lose motivation or interest.
If you accept using libraries, there’s the imap crate, the mail_send crate, and samotoo crate that are worth looking at.
It could be worth making it a lib upon which a frontend can be built. For example any logic that goes into retrieving and sending emails, storing data, loading configuration, etc. would be in the lib and whichever frontend somebody wants to tack on would use that lib - TUI, GUI, CLI, web, whatever.
You might want to make it somewhat protocol agnostic. SMTP is used by probably most services, but more and more are using APIs. IINM gmail is oauth and uses the gmail API. Tutanota and Protonmail use their own APIs, but maybe their clients and the proton bridge unveil those somewhat.
Regardless, making it protocol agnostic would allow contributors or third-party authors to add new transports.
Also, slint allows for quite good UI development in rust. I'm not sure yet how good they are with smaller screens, but IMO a client that works on desktop and linux mobile would be awesome.
Slint looks pretty cool. Has a very strong material UI feel to it.
I think you’re misguided about the APIs. Gmail supports IMAP and SMTP. Proton supports those too if you run an encryption bridge on your computer. Fastmail supports IMAP/JMAP/SMTP (they invented JMAP to try and innovate).
Email providers most likely must provide SMTP and IMAP due to compatibility requirements with Apple Mail and other clients.
I tried setting up KMail, Thunderbird, and another email client whose name I can't remember, to use gmail, but they refused to work. Back then the thunderbird doc said something about using APIs instead IMAP+SMTP because google had deactivated "insecure apps". Maybe they undid that? Dunno. Was about a year ago. Possibly because it was locked down at org level, but that would be a valid usecase for using API.
Proton's bridge is 10€ a month or something, but there's API access to proton regardless of price. Didn't know Fastmail had SMTP/IMAP.
First sentence on the first hit when searching for “Gmail smtp imap”:
For non-Gmail clients, Gmail supports the standard IMAP, POP, and SMTP protocols.
https://developers.google.com/gmail/imap/imap-smtp
What you’re referring to is the fact that GMail has apparently disabled authentication using username + password for SMTP/IMAP. I would assume that application passwords still work fine as a workaround, even if they don’t mention it specifically.