Spammers outwit blacklist strategy

Monday, 14 February 2005, 12:36 PM EST

The latest version of Send-Safe, the notorious bulk-mailing software used by many spammers, has a feature that renders the "blacklist" strategy used by email filtering companies obsolete.

Using the blacklist strategy, all emails from a computer known to send out spam are blocked before they reach internet service providers' systems. Most of these emails come from infected PCs - called "zombies" - controlled by the spammers. Send-Safe, however, now disguises the origin of emails to make it seem like they are coming from the zombie's ISP instead of the infected machine.

By Reuben Schwarz at Stuff.

[ Read more ]




Spotlight

Check out the Windows 10 security features

The release of Windows 10 brings a number of security upgrades that look good on paper, but as with all new products to market, it is advisable that organisations carefully plan any upgrades.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Thu, Jul 30th
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //