@Ben, has this been resolved? I have a customer using SmarterMail Enterprise Version - 100.0.7262.15186 and he is experiencing the same issue right now.
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Authorized SmarterTools Reseller
Authorized Message Sniffer Reseller