Delay in email after switching to new edge servers

Hello,

We have recently migrated all users from Exchange 2003 to Exchange 2007. Last night I made the final changes which allowed the 2007 edge servers to be the front end for all internet email.  Previously, exchange 2003 was internet facing.

Since the cutover, I am seeing a 2 minute email delay.

I took the headers from the delayed email and compared it to the email that had no delays and am pasting the differences below.  Please post any suggestions on how to resolve.


Received: from test.abc.gov ([456.789.123.456])  by
mm1.east.test.com with ESMTP/TLS/RC4-SHA; 05 Apr 2011 13:00:13 -0400
Received-SPF: Fail (mail.domain.com: domain of ops-unix@domain.com
does not designate 123.456.789.0 as permitted sender)
receiver=mail.abc.com; client-ip=123.456.789.0; helo=mm2.east.test.com;
Received-SPF: Fail identity=mailfrom; client-ip=192.182.9.13;

X-MS-Exchange-Organization-Antispam-Report: DV:3.3.9613.523;SID:SenderIDStatus Fail;OrigIP:123.456.789.0
X-MS-Exchange-Organization-SenderIdResult: FAIL
dross333Asked:
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bigg_oilCommented:
sounds like this is being caused by the spam and filtering controls go into hub transport and turn off spam controls
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dross333Author Commented:
I dont have spam filtering enabled on hub/cas.  I only have this on the edge servers.
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dross333Author Commented:
Thanks
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