TOOLS THAT INTEGRATE WITH POSTFIX
Mailcow
OPEN SRCMail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration
Mailman
OPEN SRCManage electronic mail discussion and e-newsletter lists
docker-mailserver
OPEN SRCProduction-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database
Modoboa
OPEN SRCMail hosting and management platform including a modern and simplified web user interface
Mail-in-a-Box
OPEN SRCTurns any Ubuntu server into a fully functional mail server with one command
Mailu
OPEN SRCSimple yet full-featured mail server as a set of Docker images
Haraka
OPEN SRCFast, highly extensible, and event driven SMTP server
Maddy Mail Server
OPEN SRCAll-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon
Sympa
OPEN SRCSympa manages email lists for communities and organizations
wildduck
OPEN SRCScalable open-source mail server with no single point of failure
Cyrus IMAP
OPEN SRCThe complete, scalable, and open-source email, contacts, and calendar server.
chasquid
OPEN SRCSMTP (email) server with a focus on simplicity, security, and ease of operation
DoubleZero
FREEMIUMSelf-hosted email infrastructure, built for developers.
b1gMail
OPEN SRCComplete 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
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WHY POSTFIX INTEGRATION MATTERS
Tools that integrate with Postfix let you connect your existing workflow without switching contexts. Whether you use Postfix for communication, development, or automation, these tools plug directly into your stack — saving time and reducing friction.