1.Billionmail / BillionMail
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
+193 stars
from 15,953 · score 5.27
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2.docker-mailserver / docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
+35 stars
from 19,680 · score 3.58
3.mailcow / mailcow-dockerized
mailcow: dockerized - 🐮 + 🐋 = 💕
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4.rspamd / rspamd
Rapid spam filtering system.
+2 stars
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