troubleshooting Question

Sharepoint email not being delivered after Exchange upgrade

Avatar of imccoy
imccoy asked on
ExchangeMicrosoft SharePoint
5 Comments1 Solution613 ViewsLast Modified:
I just did an upgrade from Exchange 2003 to 2010. I have the Hub transporter setup with one external DNS going thru Google/Postini to filter any spam, viruses, etc. Everything is working, except our Sharepoint 2007 library addresses.

I have added the Sharepoint IP addresses to an Internal Receive Connector with TLS, Exchange Server, & Integrated Windows authentication boxes checked. All Permission Group boxes are checked except Partners.

The emails are being sent, but they are going to Postini and being returned with the following error:

Postini gave this error:
Host not found for - psmtp

Our Sharepoint server is setup with an internal DNS MX record on domain name Our main domain name is

I don't need Sharepoint email going thru Postini, so what do I need to do to have deliver directly to our Exchange server (MCC-EXCH) for delivery?

Here is info on an email sent the other day:

Diagnostic information for administrators:

Generating server: MCC-EXCH.MCC.LOCAL
Postini #550 Host not found for - psmtp ##rfc822;

Original message headers:

Received: from ( by MCC-EXCH.MCC.LOCAL
 ( with Microsoft SMTP Server (TLS) id; Fri, 4 Nov 2011
 05:44:08 -0500
Received: from (
 [])      by (Postfix) with SMTP id
 04BAA1158C15      for <>; Fri,  4 Nov 2011 03:44:08 -0700
From: "Support" <>
To: <>
Subject: Postini Detected Potential Junk Mail
Date: Fri, 4 Nov 2011 03:44:08 -0700
MIME-Version: 1.0
Content-Type: text/plain
Message-ID: <fbe4d2f9-312e-44d4-a516-73c15cfcdfa1@MCC-EXCH.MCC.LOCAL>


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