Sybari Antigen 8.0 SR2 does not properly filter SMTP messages, which allows remote attackers to bypass custom filter rules and send file attachments of arbitrary file types via a message with a subject of "Antigen forwarded attachment".
https://exchange.xforce.ibmcloud.com/vulnerabilities/22327
http://www.securityfocus.com/bid/14875
http://securitytracker.com/id?1014934
http://securityreason.com/securityalert/15