License: <span>GPL-3.0</span>

E

EmailRelay GPL-3.0 Mail Transfer Agents … ★ 7

C

Courier MTA GPL-3.0 Mail Transfer Agents

S

Simple NixOS Mailserver GPL-3.0 Email Servers v2.3.0 … ★ 321

M

Mailcow GPL-3.0 Email Servers Web v2026-10 … ★ 13,743

M

Maddy Mail Server GPL-3.0 Email Servers Linux Web v0.9.6 … ★ 6,120

i

iRedMail GPL-3.0 Email Servers … ★ 1,850

I

Inboxen GPL-3.0 Email Servers

D

DebOps GPL-3.0 Email Servers

T

Tox GPL-3.0 Messaging … ★ 8,743

T

Tinode GPL-3.0 Messaging