Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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Resources:
- selfh.st Newsletter and index of selfhosted software and apps
- awesome-selfhosted software
- awesome-sysadmin resources
- Self-Hosted Podcast from Jupiter Broadcasting
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Self hosting email is a difficult business.
The main issue is that you must have a static IP and that IP needs to have a good mail reputation or you will be blacklisted in a few days.
Said so, Today there are pretty good selfhostable email stacks like stalwart
My solution, which has been running for over two decades, is bare metal with postfix, dovecot, opendkim, opendmarl, spamassassin and a few more poeces which are all absolutely mandatory. Plus a nice webmail and a few more optional pieces.
But on gentoo, not on nix
I run Postfix, Dovecot and rspamd on my server. The configuration is here: https://git.dblsaiko.net/systems/tree/configurations/polaris
There’s also the Simple NixOS Mailserver project which is an abstraction on top of these and has a few more things. I’ve never used it myself though.
Of course, you also have to set up all the standard email setup like DKIM, DMARC, SPF and so on here.