...
Wiki Markup No Spam Today! SMTP Proxy - \[http://www.nospamtoday.com/server\] - The easy-to-use setup of/ Seamless SpamAssassin Integration Into Any Existing E-Mail Environment\] - No Spam Today! requires just a few mouse-clicks to set up a completeintegrate [SpamAssassin] runtimeinto installationany onexisting aEmail Windowsinfrastructure server (supports Windows NT/2000/XP/2003). Our SMTP proxy software makes it easy to integrate No Spam Today! for Servers into any existing SMTP infrastructureand Linux). \\
- any MTA configured as a satellite system and running SpamAssassin will do that (see IntegratedInMta). However, setting up an MTA requires careful configuration.
Wiki Markup The \[http://www.amavis.org/ Amavis\] mail scanner can be set as a SMTP to SMTP proxy. Amavis sits between two SMTP mail relays, receives incoming mail, filters it through [SpamAssassin] or an optional virus filter, and drops, bounces or marks spam messages. Though you can't use personnal settings, it's very flexible and does not require you to mess with your MTA's configuration. \\
Wiki Markup \[http://www.mailscanner.info MailScanner\] can be used in a similar way to Amavis. \\
Wiki Markup \[http://www.worlddesign.com/index.cfm/rd/mta/spampd.htm\] SpamPD can be used as an SMTP or LMTP proxy server. Other than amavis, it uses the original [SpamAssassin] style header/subject tags. It can't do anti-virus scans though.
...