You have email gateway and you think you are secure - Not if Split tunnel SMTP Tunnel Exploit works

Security vendor Securolytics this week claimed it has devised an exploit that allows an attacker to bypass an organization's email security gateway and directly unload malware on the email server by using the encryption device as a backdoor.

More Info here:

http://www.darkreading.com/attacks-breaches/split-tunnel-smtp-exploit-bypasses-email-security-gateways/d/d-id/1328963?_mc=sm_dr&hootPostID=2ed0edb846d2ad345a88517a2cab958a