smf-zombie (Sendmail Zombie SPAM Blocker)

smf-zombie is a lightweight, fast and reliable Sendmail milter designed for SPAM and virus filtering from zombie hosts. Today is up to 80% of SPAM and worms going from zombie computers around the world. This milter has a very effective algorithm that stops such kind of treats. It's written in C.

  · friendly hosts/networks whitelist;
  · SMTP AUTH support;
  · scanning of e-Mail messages less than certain size;
  · blocking up to 90% of SPAM/worms engines;
  · blocking of e-Mail messages from dynamic hosts;
  · inspection of the sender's IP address with the most reliable zombie RBL (CBL);
  · blocking of the bounce e-Mail messages;
  · blocking of e-Mail messages for undisclosed recipients;
  · blocking of e-Mail messages with harmful attachments.

smf-zombie v1.2.1 (Jun 6 2006)
milter-spamblocker v3.5 (Sender/Recipient Address Verification + smart GreyListing)