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Is there a good email server that can be run through Docker? (lemmy.ca)

submitted 4 months ago* (last edited 4 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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[–] hackysphere@lemmy.ca 1 points 4 months ago

I've been trying out Stalwart, and it seems to be working good, but it is having problems with IDN that seem to require some weird ways of fixing.

(more specifically, Stalwart recognizes the punycode and UTF8 versions of domains as separate, which is difficult for some clients like Gmail web to deal with)