jimmypizzle83 wrote: Anyone have a clue as to how to resolve this issue? It only happens to one user. The user is configured identically to all other users. I verified his exchange settings myself. He tries to send an email (to anyone!) and gets this email back: Your message did not reach some or all of the intended recipients. Subject: test Sent: 4/15/2008 12:34 PM The following recipient(s) could not be reached: TheBuilder, Bob on 4/15/2008 12:34 PM You do not have permission to send to this recipient. For assistance, contact your system administrator. MSEXCH:MSExchangeIS:/DC=local/DC=domain:EXCHSERVER