MIMEdefang

• Rules engine

  • sendmail plugin using milter API (C code) - mimedefang
  • “flock of daemons” approach - mimedefang-multiplexor
  • preloads SpamAssassin into memory - mimedefang.pl
  • rules written in perl, the sysadmin's friend - mimedefang-filter
  • requires a flock of perl modules
  • hooks for many virus scanners plus SpamAssassin
  • methods to block/tag/manipulate mail, esp. attachments
  • logging