I am running exchange 2013 have a customer is trying to send us an email from mail server at Domain1 as a user in Domain2 gets the following error:
Can we change a setting in Exchange to allow mail from mismatched domains Domain1- Domain2 to be allowed and not rejected
#5.7.1 smtp; 554 5.7.1 This message has been blocked because the HELO/EHLO domain is invalid.> #SMTP#
Received: from zixvpm01.Domain1.org (ZixVPM [127.0.0.1])
by Outbound.Domain1.org (Proprietary) with ESMTP id 597351D012B
for <MM@MyDomain.com>; Thu, 9 Oct 2014 08:51:48 -0500 (CDT)
Received: from CHSEXCH-2.Domain1.org (chsexch-2.Domain1.org [10.16.4.137])
by zixvpm01.Domain1.org (Proprietary) with ESMTP id E32A71D8042
for <MM@MyDomain.com>; Thu, 9 Oct 2014 08:51:47 -0500 (CDT)
Received: from CHSEXCH-1.Domain1.org ([169.254.5.235]) by
CHSEXCH-2.Domain1.org ([10.16.4.137]) with mapi id 14.01.0355.002; Thu, 9
Oct 2014 08:51:47 -0500
From: "Sickley, Duke" <DSickley@Domain2.org>
To: "MM@MyDomain.com" <MM@MyDomain.com>
Subject: test email
Thread-Topic: test email
Thread-Index: Ac/jyAugBvH/hzCURGOnyc2QAnIFnA==
Date: Thu, 9 Oct 2014 13:51:46 +0000
Message-ID: <849999A84573204CA4278D68AE7C25DD014E975300@CHSEXCH-1.Domain1.org>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.80.10.52]
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0