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Is there a good email server that can be run through Docker? (lemmy.ca)
submitted 3 months ago* (last edited 2 months ago) by hackysphere@lemmy.ca to c/selfhosted@lemmy.world
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I need to run my own email server for some of my domains, because the providers that I usually use don't support them (they use Unicode characters, and not everyone supports that yet). I have a small VPS that I run a few Docker containers on, and I'm wanting to try and run an email server on it as well. What containers are good for a low-hassle email setup? I don't need a mailbox webui (ex: roundcube), but it would be nice to have a UI for management. I do need multi-domain support, however.

EDIT: For anyone wondering, I decided to go with Mailu. Stalwart didn't play will with internationalized domains (although it was the only server to support EAI/SMTPUTF8), and Mailcow would have been a bit more difficult for me to change to bind mounts and reconfigure Docker networking with.

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[-] lukecyca@lemmy.ca 2 points 3 months ago

I've been running my own email server for 15+ years. One year ago I needed to change VPS providers and thus get a totally different IP. I worried about this a bit, but actually had no issues whatsoever. Of course, I wasn't starting completely from scratch as I had the same domain, all my personal experience, and a battle-tested configuration for docker-mailserver. But yeah, the lack of IP reputation itself didn't seem to be an issue at all. Maybe I got lucky. Or maybe it's because I chose a relatively small Canadian VPS provider rather than one of the global cloud giants (I assume their IP address space gets pretty trashed with scammers).

[-] moonpiedumplings@programming.dev 2 points 3 months ago

What about domain reputation?

this post was submitted on 01 Feb 2026
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