Self-hosted Communication - Email - Complete Solutions software
Simple deployment of E-mail servers, e.g. for inexperienced or impatient admins.
18 projects, sorted by GitHub stars (as recorded in the dataset). Star counts and dates come from the dataset snapshot, not live.
| Name | Description | License | Stars | Updated | Platforms | |
|---|---|---|---|---|---|---|
| docker-mailserver | Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database. | MIT | 19,633 | 2026-10-18 | Docker | Source |
| Postal | Complete and fully featured mail server for use by websites & web servers. | MIT | 16,878 | 2026-10-01 | Docker, Ruby | Source |
| Mail-in-a-Box | Turns any Ubuntu server into a fully functional mail server with one command. | CC0-1.0 | 15,443 | 2026-09-26 | Shell | Source |
| Stalwart Mail Server | All-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features. | AGPL-3.0 | 15,192 | 2026-10-18 | Rust, Docker | Source |
| Mailcow | Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. | GPL-3.0 | 13,632 | 2026-10-06 | Docker, PHP | Source |
| Mailu | Simple yet full-featured mail server as a set of Docker images. | MIT | 7,567 | 2026-10-20 | Docker, Python | Source |
| SimpleLogin | Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. | MIT | 7,068 | 2026-10-20 | Docker, Python | Source |
| Maddy Mail Server | All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon. | GPL-3.0 | 6,111 | 2026-10-20 | Go | Source |
| Mox | Complete e-mail solution with IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, and webmail. | MIT | 5,908 | 2026-10-09 | Go | Source |
| AnonAddy | Email forwarding service for creating aliases. | MIT | 4,914 | 2026-10-06 | PHP, Docker | Source |
| Modoboa | Mail hosting and management platform including a modern and simplified web user interface. | ISC | 3,543 | 2026-10-20 | Python | Source |
| wildduck | Scalable no-SPOF IMAP/POP3 mail server. | EUPL-1.2 | 2,110 | 2026-10-20 | Nodejs, Docker | Source |
| iRedMail | Full-featured mail server solution based on Postfix and Dovecot. | GPL-3.0 | 1,848 | 2026-10-19 | Shell | Source |
| Forward Email | Privacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid. | BUSL-1.1 (non-free), MPL-2.0 | 1,688 | 2026-10-20 | Nodejs, Docker | Source |
| DebOps | Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts. | GPL-3.0 | 1,425 | 2026-10-16 | Ansible, Python | Source |
| Simple NixOS Mailserver | Complete mailserver solution leveraging the Nix Ecosystem. | GPL-3.0 | 317 | 2026-10-05 | Nix | Source |
| b1gMail | Complete email solution that runs on any webspace with PHP and MariaDB. It supports POP3 catchall mailboxes and can also integrate with Postfix or b1gMailServer if you're running your own server. | GPL-2.0 | — | — | PHP | Source |
| Inboxen | Lets you have an infinite number of unique inboxes. | GPL-3.0 | — | — | Python | Source |