Submit
Ad
Learn more

Open Source Mail Servers using CSS

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. using CSS.

Billion Mail

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

  • Stars

    15,931

  • Last commit

    4 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.

Open Source Alternative to:

Resend
Ad