An end user got the following error report in there Outlook 2010. If anyone could help in finding where the issue was, we would be thankful.
> rejected your message to the following e-mail addresses:
> gave this error:
Recipient address rejected: User unknown in relay recipient table
The e-mail address you entered couldn't be found. Please check the recipient's e-mail address and try to resend the message. If the problem continues, please contact your helpdesk.