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Unusual Queues in Exchange

Kelvin Sparks
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Last Modified: 2012-05-05
I use SBS 2003 (R2). I noted an unusual amount of internet activity and looked to exchange. I the Server, servername, Queues menu I find about sixt odd queues list after the usual ones with the labels Small Business SMTP connector - then a domain name (not mine & fifferent in each case. Each has 1 message in it from postmaster at my domain (varying message sizes). Each indicates it can't reach it's connection. By freezing all of these, internet activity has died off. I suspect something odd, although could be NDR's for various spam messages, although I think I've managed to kill off NDR's.

How can I delete these queues?
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Commented:
you will need to remove the messages from the Queues, then the folders (Queus) will go away.

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Commented:
Here is a MS KB on this:

http://support.microsoft.com/kb/822944
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Commented:
postmaster@ email messages are NDRs.
They are either responses to Out of Office messages, or messages sent to non valid users and you do not have recipient filtering enabled.

If you look at the messages, see if the subject has out of office.

I would also suggest enabling recipient filtering.
http://www.amset.info/exchange/filter-unknown.asp

Simon.
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Commented:
You are most likely being victimized by what's called "backscattering".  Please see my answer about this here:  http:Q_22107888.html#18226577

Jeff
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Commented:
Thanks, Have done that & queues are disappearing. Are you able to throw any light on what is causing them, and whether I need to have any cause for concern?

Kelvin
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Commented:
Did you read my comments regarding backscattering?

Jeff
TechSoEasy
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Commented:
And the way to prevent it is implementing the Filtering Unknown steps that Sembee provided.

Jeff
TechSoEasy

Commented:
looks like he is well covered here - thanks for the additinal imput Tech and Sembee.
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Commented:
Thanks Guys (and Gals if any). Overwhelmed with answers. Yep have read all, deleted those queues, implemented Sembees recipient filtering, read back scattering. Now closing question and will spread points around.

Thanks a lot


Kelvin
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