Mailscanner is a email gateway virus-scanner and spam and phishing-detector. it uses exim, sendmail or postfix as its basis, and supports clamav and some commercial virus scanning engines to do the actual virus scanning. for spam dectection mailscanner uses spamassassin.

the action taken on virus, spam or phishing mails can be configured with a flexible ruleset based on sender, receiver, scoring etc.

virus checking is disabled and spam checking is enabled by default.