Hi Some times in Event Log, i see this Error message
MsExchange Transport NDR
A non-delivery report with a status code 4.0.0 was generate for receipt rfc822,firstname.lastname@example.org ( message id <sbs..................>
why this error message ??
is this bad ??
I guess, Exchange is trying to sent email to those receipt but its failed, but no body sent email to those address, so what happenning here ??