Help with NDR

  • From: "Sean Winters" <sean@xxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Sun, 28 Sep 2003 16:47:47 -0500

I am working with a relatively new Ex2K build and have had two different
external contacts report intermittent NDR's. There is no PIX firewall in
place and ESMTP verbs have been disabled on our end. 

The NDR is "4.4.1 Did not receive the expected protocol response."

Searching the usual sources has turned up nothing.

Any ideas/suggestions?

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