Hi there, The issue is that when an JPG attachment is sent through Exchange 2007 server (through all clients - OWA, Outlook 2007, Outlook 2003...) to external user the attachment is received but its unreadable and damaged. This behavior has been noticed on several Exchange 2007 servers (incl. Exchange 2007 SP1 beta) so it's not related to a specific installation. Tried to change the encoding on the client (the server by default doesn't enforce it) to no avail. Any ideas are greatly appreciated. VaniaK

Do you go through a SmartHost? Or directly from your HT server to the Internet? Does this happen for all users? Or just some? I have been using E2K7 in production for a long time (15 months) and I send JPGs all the time.

ONLY Exchange Edge Server have File Filter function, if you have deploy Edge Server please check your file filter rule. http://technet.microsoft.com/en-us/library/aa995929.aspx Another support filter filter is Microsoft ForeFront Antivirus...