Protector: email executable content filter
Ffree, open-source mail filter that blocks attachments which could contain viruses. For example - it blocks ".exe", ".pif" files and similar, but allows MS-Office documents provided they contain no macros
lowth.com
Title: Chris Lowth's Protector - OpenSource E-mail Virus Blockade
Description: Protector: A free, Open-source, anti-virus e-mail filter. Strips dangerous attachments from e-mails before delivery to the users.
Keywords: free gpl open-source open source anti-virus antivirus virus email attachment filter software unix linux sendmail postfix