Apache SpamAssassin is the #1 Open Source anti-spam platform giving system administrators a filter to classify email and block spam (unsolicited bulk email).
It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical analysis tests on email
... [More] headers and body text including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.
Apache SpamAssassin is a project of the Apache Software Foundation (ASF). [Less]
A highly scalable/configurable Mail platform allowing users in a domain to be distributed across multiple hosts, has multiple queues and uses qmail as MTA.
Also provides virtual domains/users in MySQL. No patching of qmail required. A full-featured mail server providing ESMTP, IMAP/POP3, QMTP
... [More], QMQP, DKIM, DomainKeys, etc
In tests carried out by users, IndiMail's multi-queue architecture outperforms postfix in mail inject rates.
IndiMail allows extending a domain across multiple servers. This feature also allows you to setup a domain with a heterogeneous mix of mail servers.
Read more about IndiMail at
The main idea behind was in situation where you have SpamAssassin installed on the mail server itself and there's no use to have another spam procesing engine.
For instance I have SA installed on my home mailserver and I have the office email account (no SA at office) and I would like to use my
... [More] home SA to identify junk.
On my office account I have Report as Spam (Rspam) Plugin installed so I didn't touch learn/report stuff. Of course spamc is still required (it usualy comes already installed in most modern distros). If this makes sense I'll add port option, ssl, and username option. [Less]