Entourage 2004 and 2008 users are unable to receive e-mails that contain other e-mails as an attachment if their email server is Exchange 2007 SP1. The solution is to Install RU2 directly on Exchange server. Links and details follow.
Symptom:
In a Microsoft Exchange Server 2007 environment, an e-mail message is in disorder and is unreadable. However, the same e-mail message is readable if it is received by a user in a Microsoft Exchange Server 2003 environment. Read KB:
An e-mail message is in disorder and is unreadable in an Exchange Server 2007 environment
Update Rollup 1 for Exchange Server 2007 SP1 fixes the issues that are described in the following Microsoft Knowledge Base article: 945428
Description of Update Rollup 1 for Exchange Server 2007 Service Pack 1
Microsoft has released Update Rollup 2 for Microsoft Exchange Server 2007 Service Pack 1 (SP1). This article describes the following information about the update rollup:
Description of Update Rollup 2 for Exchange Server 2007 Service Pack 1
SOLUTION: Install RU2 (it is cumulative) directly on Exchange server.
