I'm looking for an alternative to Spamassassin. Anyone tried rspamd ?
closed as not constructive by Michael Hampton♦, Ward♦, voretaq7 Apr 4 '13 at 17:45
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You may take a look at ASSP. Works great so far.
I can point rspamd, and it's not written in perl!
Don't overlook outsourced spam filter (Postini et al.)
I would suggest you the Yandex Spam Defense - http://so.yandex.ru/all/index.xml It is a highly-reliable anti-spam system, used to protect millions of Yandex (one of the most popular Russian mail-hoster) from being flooded with spam. I like also Symantec Brightmail Anti-Spam and Sybari Advanced Spam Manager (both can work with Domino and Exchange).
By the way, I really don't think that SpamAssassin is a bad thing to use, I think opposite, if you have enough RAM to run it you will get really nice results.