TOOLS THAT INTEGRATE WITH SPAMASSASSIN
Haraka
OPEN SRCFast, highly extensible, and event driven SMTP server
iRedMail
OPEN SRCFull-featured mail server solution based on Postfix and Dovecot
Mailcow
OPEN SRCMail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration
Modoboa
OPEN SRCMail hosting and management platform including a modern and simplified web user interface
Mox
OPEN SRCComplete 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
Stalwart Mail Server
OPEN SRCAll-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features
Courier MTA
OPEN SRCFast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services
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
Mail-in-a-Box
OPEN SRCTurns any Ubuntu server into a fully functional mail server with one command
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WHY SPAMASSASSIN INTEGRATION MATTERS
Tools that integrate with SpamAssassin let you connect your existing workflow without switching contexts. Whether you use SpamAssassin for communication, development, or automation, these tools plug directly into your stack — saving time and reducing friction.