Best Open Source mailserver Libraries

A curated list of the most popular GitHub repositories tagged with mailserver. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1docker-mailserver/docker-mailserver

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

17,925Shell

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#2Billionmail/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

13,543Go

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#3mailcow/mailcow-dockerized

mailcow: dockerized - 🐮 + 🐋 = 💕

12,191JavaScript

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