one of the user when replies to calendar invites gets the following message. The emails working fine which means the user can send and recieve emails to the same user with no problems. The problem only occurs when the user reply to the calendar appointments. Any suggestions?
Your message did not reach some or all of the intended recipients.
Subject: Accepted: RA Meeting with Charles Saumarez-Smith (DC, AP)
Sent: 21/02/2011 14:36
The following recipient(s) cannot be reached:
UserName on 21/02/2011 14:36
The e-mail account does not exist at the organization this message was sent to. Check the e-mail address, or contact the recipient directly to find out the correct address.