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undeliverable: [auto reply] i am not available

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by eminent87 2 views

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Hi,

We have an exchange 2000 server and it started sending this NDRs to the administrator account every 5 seconds. The message is from System Administrator and is for postmaster@mycompany.com. Here is what's in the NDR:

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

Subject: [Auto Reply] I am not available
Sent: 7/15/2004 11:54 AM

The following recipient(s) could not be reached:

postmaster@mycompany.com on 7/15/2004 11:54 AM
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.

I'm getting a ton of these messages ever hour. Although it doesn't affect us on sending and receiving email but I'm sure our performance is taking a hit. Can someone offer me some suggestion as to what to do to stop this?

Thanks!

8 replies

by cg it

humm someone changed the reporting/monitoring of exchange which included sending a notification via email to postmaster@.com. Since your getting NDRs on the mail I have to assume that whoever setup the reporting/monitoring didn't know there wasn't an account for postmaster@.com. Hense the NDR to the admin account. Find out what changed. There are a LOT of monitoring and reporting options for exchange that include sending a notification to postmaster AND the system admin.

by cg it

oh create an account postmaster in Active Directory with the exchange email postmaster@.com that should solve the NDRs to the system admin account

by eminent87

Weird! There must be something that triggered it to cause a loop because as soon as I added the postmaster@mydomain.com smtp email address to the administrator account it stopped. This is really weird because I've been monitoring this exchange for about a year now and I have never seen anything like this before. I'm closing out this question and I'm going to award all those who participated the points. I would also like to thank everyone for their helpful comments.

I still interested in knowning why all of the sudden this started happening and not a year ago. Please email your answers to hiep@eminentnetworks.com. Your answers will be greatly appreciated! Thanks again!

by mgonzales

What we did was create a public folder and assigned the address of postmaster@domain.com and all ndr go to this public folder. Or you can add that smtp address to an existing mailbox and it should work.

by eminent87

Weird! There must be something that triggered it to cause a loop because as soon as I added the postmaster@mydomain.com smtp email address to the administrator account it stopped. This is really weird because I've been monitoring this exchange for about a year now and I have never seen anything like this before. I'm closing out this question and I'm going to award all those who participated the points. I would also like to thank everyone for their helpful comments.

I still interested in knowning why all of the sudden this started happening and not a year ago. Please email your answers to hiep@eminentnetworks.com. Your answers will be greatly appreciated! Thanks again!

by nico baggus

More information is needed.
Please show a header from such a mail
Rightclick the message and select options.
There a header is shown...

It might well be some mail-worm spewing messages
there, the headers might tell you more.
It might be that an email triggered a loop,
btw. postmaster@domain.tld is a required
mail address for SMTP mail. It is the default
sender of NDRs

HIH,
Nico Baggus

by eminent87

Weird! There must be something that triggered it to cause a loop because as soon as I added the postmaster@mydomain.com smtp email address to the administrator account it stopped. This is really weird because I've been monitoring this exchange for about a year now and I have never seen anything like this before. I'm closing out this question and I'm going to award all those who participated the points. I would also like to thank everyone for their helpful comments.

I still interested in knowning why all of the sudden this started happening and not a year ago. Please email your answers to hiep@eminentnetworks.com. Your answers will be greatly appreciated! Thanks again!

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