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OpenProtect is a complete package which includes MailScanner for intergration with MTAs, spamassassin, clamav and it can be installed within 5-10 minutes and no need to manually edit any configuration files or settings. http://openprotect.com OpenProtect supports postfix, sendmail, qmail and exim. See http://wiki.apache.org/spamassassin/OpenProtect or http://openprotect.com or http://openprotect.sf.net for more details. (jm: is it open source? This page is not the appropriate place to advertise non-open-source products.)
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Another option is to use a filtering SMTP proxy such as spampd. It is typically used to filter the mail between an external-facing MTA instance/relay, and an "internal" MTA instance. \[http://www.worlddesign.com/index.cfm/rd/mta/spampd.htm\] |
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