http://www.fieldbrook.net/TechTips/Exchange/EntourageAttachments.asp Exchange Server 2007/2010 and Entourage: Modify the attachment size limit that affects Entourage users Entourage users connected to Exchange Server 2007 or 2010 may not be able to send large file attachments. Here are some steps to correct that problem:Set the sending size limits wherever possible in Exchange System Manager.Use..