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Open Source Mail Servers

A curated collection of the best open source self-hosted servers that send, receive and store email for your own domain over SMTP, IMAP and JMAP..

Billion Mail

AI
Open-source mail server with unlimited sending & AI tools

  • Stars

    16,125

  • Last commit

    5 months ago

  • License

    AGPL-3.0
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

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