Self-host your mail server
blog.haschek.at
Self-host your mail server
1–10 of 143 posts
Re: Self-host your mail server
#2I disagree with the author. If you have your own domain for e-mail, then you've already dealt with all risks and vulnerabilities. Of course you have your e-mail stored locally as well by using an e-mail client, which you would anyway.
Re: Self-host your mail server
#3Sorry the title should have been "You should self-host your mail server" but it seems HN removes the "You should" in the beginning of a title.
I wanted to start this discussion because I think we are prime for more self hosted mail servers in 2026 and in the post I explain how to use a locally hosted LLM to nudge the spam detector rspamd to whether or not an incoming mail is spam.
Also in times where the EU can order your mail providers to scan for unwanted content [1] (currently limited to CSAM, later probably more) it does feel better to have your data at your hand.
[1] https://en.philenews.com/international/privacy-to-end-in-the...
Re: Self-host your mail server
#4> But there are other solutions out there like: Stalwart; Mailcow ;Or if you're a purist you can set up your whole server yourself
Another good guide that uses Debian and its standard packages:
* https://workaround.org/ispmail-trixie
(Updated with every release, and upgrade/migration instructions.)
Re: Self-host your mail server
#5I do. It's nowhere as hard as everyone on here makes it out to be. And I don't even use an easy solution like Mailcow.
Spam is a solved problem with rspamd, and it's not even an llm
Re: Self-host your mail server
#6I do. It's nowhere as hard as everyone on here makes it out to be. And I don't even use an easy solution like Mailcow. Spam is a solved problem with rspamd, and it's not even an llm
It’s not hard to receive or filter mail - knowing that somebody will receive your email after you send it is another thing entirely.
Re: Self-host your mail server
#7I do. It's nowhere as hard as everyone on here makes it out to be. And I don't even use an easy solution like Mailcow. Spam is a solved problem with rspamd, and it's not even an llm
It’s not hard to receive or filter mail - knowing that somebody will receive your email after you send it is another thing entirely.
Thankfully not a problem we've encountered yet. All my mail is DKIM signed, SPF aligned etc. I also registered on dnswl.org which is a signal quite a few people seem to use.
Re: Self-host your mail server
#8I do. It's nowhere as hard as everyone on here makes it out to be. And I don't even use an easy solution like Mailcow. Spam is a solved problem with rspamd, and it's not even an llm
It’s not hard to receive or filter mail - knowing that somebody will receive your email after you send it is another thing entirely.
That is the exact problem that got me to abandon my splendidly working, self-hosted email stack. I had so many instances of mail just not getting delivered, despite doing absolutely everything correctly, that I gave up.
Re: Self-host your mail server
#9I've tried self-hosting my mail server, but that means all my outgoing mail will go to Spam on all providers that use reputation-based filtering. In all cases I had SPF, DKIM and DMARC working perfectly, PTR records, etc. but it just doesn't matter. Even a Fastmail domain goes right to spam on my personal account, and they are very very established. It's just not worth it.
Re: Self-host your mail server
#10Waiting for a submission of "You should run your own NNTP server" (lots of 'nostalgia' for web forums to come back, so why not this too?).