Hacker News with Generative AI: Email Servers

ISPmail – a free guide to your own (Debian) mail server (workaround.org)
ISPmail is a free but extensive do-it-yourself guide to help you build a fully-functional mail server from 100% open-source components.
Ask HN: Are you aware of a sane path to selfhosted email server? (ycombinator.com)