(the email address below has been modified)
03:29 18:46 SMTP-(04C80021) 450 <[EMAIL PROTECTED]>: Sender address rejected: Domain not found
"sender address" = [EMAIL PROTECTED], and domain part you can guess. It was found to have no A nor MX record.
I can not think of any test it would fail, unless you do not like NT DNS servers or something like that.
there was probably a temporary failure or delay when that msg arrived, and IMGate gave up waiting for a DNS response, that's why the reject is 4xx, and 5xx.
Len
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