I have been getting the following error messages when trying to respond to some emails
using Outlook 2003
The following recipient(s) could not be reached:
John Doe's gmail on 8/12/2010 1:51 PM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<exchangesvr.mydomain.com #5.7.1 smtp;550 5.7.1 o7CKrHVL032224 This message does not comply with required standards.>
Any help would be greatly appreciated!