Spam Monitor detects and tags unsolicited junk mail when you download it into your mailbox. It does not prevent the download of spam, but tags the subject line or headers of the incoming email, so that you can configure your email software to delete or otherwise process the suspected spam messages. The software offers a good set of flexible options that let you choose the level of filtering, as well as the use of external black lists. It further offers white/black list options, blocking by country and customizable network configurations. The software can automatically configure your email software to use Spam Monitor, it works on the TCP/IP level and works with any standard email program.

The license of this software is Free Trial Software, the price is $29.95, you can free download and get a free trial.