Secunia Security Advisory – Multiple vulnerabilities have been discovered in Symantec Mail Security for SMTP, which can be exploited by malicious people to cause a DoS (Denial of Service) and compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60454/sa27367.txt
Source: https://packetstormsecurity.com/files/60454/Secunia-Security-Advisory-27367.html