Email Attachments Rejected
Problem reported by George Marchewa - 11/2/2015 at 1:24 PM
Pulling my hair out on this one.
Sending from Exchange server, emails being sent to SmarterMail accounts with two attachments get bounced as a 554 Security Violation. This happens to two separate smartermail installs. The same messages sent to other servers (outlook.com/gmail etc) get delivered fine.
If I split the files into two emails, they go through fine. The files are under 50k a piece. Not sure what's happening here and am looking for some insight.
Delivery error message is as below. I'm willing to provide copies of the exact files/un-editted error message to anyone at SmarterTools who could help.:

Generating server: mail3.yyyyy.yy
Remote Server returned '<mail.xxxx.ca #5.0.0 smtp; 554 Security violation. Email Session ID: {5637910B-10025-8D81F7C7-C0000009}>'
Original message headers:
Return-Path: <George.Marchewa@yyyyy.yy>
Received: from mail3.yyyyy.yy (localhost.localdomain [])
    by localhost (Email Security Appliance) with SMTP id 768BD903D7_637910BB
    for <admin@xxxx.ca>; Mon,  2 Nov 2015 16:36:27 +0000 (GMT)
Received: from raptor.yyyyy.yy (unknown [199.247.yy.yy])
    by mail3.yyyyy.yy (Sophos Email Appliance) with ESMTP id 5895294BB0_637910AF
    for <admin@xxxx.ca>; Mon,  2 Nov 2015 16:36:26 +0000 (GMT)
Received: from APP-EXCH1.yyyyy.yy (199.247.yy.yy) by raptor.yyyyy.yy
 ( with Microsoft SMTP Server (TLS) id 8.3.327.1; Mon, 2 Nov
 2015 08:18:28 -0800
Received: from APP-EXCH3.yyyyy.yy (2002:c7f7:8270::c7f7:8270) by
 app-exch1.yyyyy.yy (2002:c7f7:826e::c7f7:826e) with Microsoft SMTP Server
 (TLS) id 15.0.1104.5; Mon, 2 Nov 2015 08:18:27 -0800
Received: from APP-EXCH3.yyyyy.yy ([fe80::1d8c:9b2f:53f6:571a]) by
 app-exch3.yyyyy.yy ([fe80::1d8c:9b2f:53f6:571a%17]) with mapi id
 15.00.1104.000; Mon, 2 Nov 2015 08:18:28 -0800
From: <George.Marchewa@yyyyy.yy>
To: <admin@xxxx.ca>
Subject: Files for Ads
Thread-Topic: Files for Ads
Thread-Index: AdEVihk79j5ZKJUAQgiktQmTJ82Buw==
Date: Mon, 2 Nov 2015 16:18:27 +0000
Message-ID: <32abdc6a0f9a43349f2ddbf412309748@app-exch3.yyyyy.yy>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: yes
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [199.247.yy.yy]
Content-Type: text/plain
MIME-Version: 1.0
Return-Path: George.Marchewa@yyyyy.yy

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