CVE-2004-2583
SMTP service in SmarterTools SmarterMail 1.6.1511 and 1.6.1529 allows remote attackers to cause a denial of service (CPU consumption) via a large number of simultaneous open connections to TCP port 25.
Date published : 2005-11-28
http://members.lycos.co.uk/r34ct/main/smarter_mail%203.1/smarter_mail.txt