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550 MAILBOX NOT FOUND -- Exchange 2003

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550 MAILBOX NOT FOUND -- Exchange 2003 - 26.Jul.2005 1:35:00 PM   
afeigenson

 

Posts: 3
Joined: 26.Jul.2005
From: Oakland, CA
Status: offline
I'm going blind trying to figure this out. I have a user on our domain that gets about 40 bounce back messages from AOL a day.

They look like this:

quote:
Your message did not reach some or all of the intended recipients.



Subject: Subject Deleted for Privacy

Sent: 7/21/2005 1:01 PM



The following recipient(s) could not be reached:



xxxx@aol.com on 7/21/2005 1:01 PM

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.

< rly-xl06.mx.aol.com #5.1.1 SMTP; 550 MAILBOX NOT FOUND>

I can't find this in message tracking, event viewer, his outbox, sent items, etc.... as far as I can tell this email doesn't even exist, however he still recieves these.

Any ideas on what to do?

TIA,
Alex
Post #: 1
RE: 550 MAILBOX NOT FOUND -- Exchange 2003 - 26.Jul.2005 3:47:00 PM   
galbicka

 

Posts: 29
Joined: 11.Jun.2005
From: Florida
Status: offline
Sounds like a virus is spoofing his return addtess. Look in the internet headers for clues as to true origin.

(in reply to afeigenson)
Post #: 2

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