Modrapheniac

Hi Guys and Gals,

Can onyone help me on this one ?

Our exchange server for some reason now doesn't inform users that mail is undeliverable. I.E. incorrect address . I sent myself a test mail with incorrect spelling (obviously correct domain) and nothing informed me of the problem. I've checked settings and all seems O.K. Am I missing something beedin' obvious ??

Thanks for looking, and help would be appreciated.

In case you missed it on the subject line I'm running Exchange 5.5.

Ta !

Darrell

David_Wallis

im assuming you have told it the correct mailbox to send the ndrs to??

David

Modrapheniac

Hi David,
That's not the problem, the sender doesn't get informed that the message he/she sent cannot be delivered.

Probably the way I described the problem ! Doh !!

Cheers,

Darrell

Paul Caley

So you've looked under the IMS connection to see 1) if the notifcations is on and 2) to which mailbox it is delivered?

regards,

Paul

ChrisB

So no message back to the Internet reporting it failed?

Hmm. Do you get an internal notification to the Admin mailbox on the IMS properties?

Modrapheniac

Hi Paul,

Yeah, that's the first place I looked.

Cheers,

Modrapheniac

ChrisB,

Exactly

Paul Caley

Is the sender external or internal?

Modrapheniac

Paul,

External.

Paul Caley

Can you email this external address okay? As Chris said do you recieve an internal notifcation of this wrong address coming in?

Modrapheniac

Paul,

I can mail externally no problem, and there was an NDR in the exchserv admin mailbox, so Exchange is aware of the delivery problem.

Paul Caley

But can you email the address of the sender okay? or are you aware that the problem is nobody get NDRs no matter who?

Paul Caley

Do we know why the mail item is not delivered, is it a wrong user name or domain name?

David_Wallis

enable message tracking? logging?

event log??

Modrapheniac

Hi Guys,

Sussed it !

DNS Problem !

Looks like a long night ahead !

Paul Caley

Nice, best of luck then.