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Reason why spam addressed to User A is delivered to User B

Posted on 2006-06-16
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Last Modified: 2010-03-06
Good Afternoon Experts,

I'm wondering why one of my users is receiving spam e-mail messages that appear to be addressed to another user with a similar name?  Gerri.jones@mydomain.com has received about 5 or 6 messages of late (all spam) that all appear to be addressed to Geri.smith@mydomain.com.  Both are valid e-mail addresses on our Exchange 2000 Server.

Gerri Jones is concerned that the mail system is delivering mail intended for Geri Smith by mistake.  I'm not convinced that there is a problem with our mail server and think that this may be a known symptom of spam.

Can anyone shed some light on this matter?  Is this a known feature of spam or is our mail server delivering mail to the wrong user.  Notice that neither user has reported a problem with legitimate mail being misrouted.

thanks for your assistance
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Question by:UAWGMCHR
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simonpainter earned 125 total points
ID: 16923253
It is likely that there is an address in the To: field and then several addresses in the BCC: field. Try looking at the headers as well because you may find that the delivery address that Exchange reads is different from the To: address.
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Author Comment

by:UAWGMCHR
ID: 16934663
Checked the header of the message and did not see any reference to the BCC: field.
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Expert Comment

by:simonpainter
ID: 16934714
You won't... it's Blind Carbon Copy so it gets used by the sending mailserver and is then stripped.
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Author Comment

by:UAWGMCHR
ID: 17242858
Thanks,

The BCC explanation makes sense.
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