FYI…

- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1781
Description Unknown vulnerability in SMTP authentication for MailEnable allows remote attackers to cause a denial of service (crash).
References
* SECUNIA:15487
* URL: http://secunia.com/advisories/15487
Phase Assigned (20050531)

- http://www.mailenable.com/hotfix/default.asp
"…please ensure you are running the latest release of 1.19 Professional Edition or later.
30th May 2005
DNS Lookup Patch, incl. IMAP and SMTP Hotfix
For MailEnable Professional: version 1.5 and later
For MailEnable Enterprise: All versions
Reason: Fixes possible DNS lookup failures when resolving IP Addresses to target addresses.
Removes redundant DNS lookups for loopback IP Addresses.
Fixes possible crashing on inbound SMTP authentication
Fixes partial sends in IMAP for MIME sections
This hotfix includes the 25th April 2005 SMTP HotFix for IMAP and SMTP …"

:ph34r: