troubleshooting Question

Exchange 2010 Transport Rule signature with iOS and OS X

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TheCybex asked on
ExchangeiPhoneMac OS X
1 Comment1 Solution1077 ViewsLast Modified:
To improve the uniformity within our organization we've chosen to inject a HTML signature via our Exchange 2010SP 1 server. This is done with a so called Transport Rule as you can see in the attached image below:
Transport Rule
This 'injection' works great for clients who are using Microsoft Outlook 2007/2010 and OWA.

But there is one problem: mail sent with OS X Mail (10.7) or iOS (5.1) apparently is treated as Plain Text by Exchange and therefor the signature is no longer formatted as HTML. This is weird, because all OS X clients are configured to send mail as 'Rich Text' (see attachment):
OS X Mail.app configuration
Also Exchange is configured to send mail as HTML:
Exchange Configuration
A possible solution is to put some kind of markup (like bold text) in each mail. But this is not something we can ask our users to do while sending a mail. What are we doing wrong?
ASKER CERTIFIED SOLUTION
Kash
2nd Line Engineer

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