Backscatter is a problem that has been known to the messaging community for a long time. In essence, backscatter is a DSN (Delivery Status Notification) delivered to a recipient who never sent the original mail in the first place. While the DSN itself...

I wanted to take the opportunity to remind all customers using Antigen for Exchange 8.0 and Antigen for SMTP Gateways 8.0 that the end-of-life date for these products is creeping closer. As of Dec. 31, 2009, these Antigen 8.0 products will no longer be...