One user has had three instances of not receiving an email when she was copied. In two of the instances, she was part of a group, in the other instance someone sent the email to her and another person. In all three cases, the email had an attachment, although the attachments were small - only about 60kb in each email. In all three cases, the email was sent to this user, who is inside our network, by a user also inside our network, a different sender each time. The other users received the emails. If the sender sent her the same email with the same attachment, but only to her, she received it. The sender did not receive any kind of error indicating that email couldn't be delivered. The emails didn't go to her junk folder or our quarantine service. I was not able to duplicate the problem, even though one of the emails she didn't receive was from me. We are using Exchange 2007 on our own Windows 2003 server. Does anyone have any ideas about what could cause this? Is there any way I can look up log information about these emails that would tell why they went to the other users but not her? Thanks in advance.
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