04-21-04 09:16
Exchange Server SMTP AUTH Attacks aka are you relaying?
By JOHN ROMANO
If you run Microsoft Exchange Server to process incoming Internet email, spammers might be using your mail server as a relay even though your server isn't an open relay. How is this possible? Spammers authenticate to your email server, then use your server to send mail. Paul Robichaux wrote about this attack in "A New Kind of Attack". The following discussion outlines how you can determine whether someone is using your system as a mail relay, how to close the hole, and how to test the measures you've taken to prevent such attacks. [Relay Discussion]
Links:
www.winnetmag.com/article/articleid/40507/40507.html
www.winnetmag.com/article/articleid/42406/42406.html
Related news:
LIHQ introduces new SpitShine™ Anti-SPAM/Virus services! -02-13-04 15:05
|
