Self-hosted projects tagged “Email server”
5 open source projects with this tag
5 open source projects with this tag
5 services found

All-in-one secure mail server with modern spam filtering
Stalwart is an all-in-one mail server (SMTP/IMAP/JMAP) with built-in anti-spam/DMARC, web admin UI, and flexible routing for running your own email infrastructure.

Docker-based mail server stack with a modern admin UI
Mailu is an all-in-one email server stack (SMTP/IMAP/webmail) packaged for Docker, with anti-spam/AV, DKIM/DMARC support, and a web admin interface for domains and mailboxes.
Modern all-in-one email server with a built-in admin web UI
All-in-one SMTP/IMAP mail server with web admin, spam filtering, DKIM/DMARC, and automatic TLS via ACME—designed for simpler, safer email hosting.


A server OS to self-host apps easily on your own domain
Debian-based server distribution with a web admin, app catalog, SSO and automated TLS/DNS/email setup for easy, maintainable self-hosting.

High-performance IMAP and POP3 server for Linux/Unix
Dovecot is an IMAP/POP3 mail server focused on performance, security, and standards compliance, commonly used for mailbox access in Postfix/Exim-based email stacks.