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<p>Cross-posted from rt-users. I don't know which software package is to blame...</p>
<p>Hello!</p>
<p>   I'm using Request Tracker 4.4.1 sitting behind Kolab 16 as a mail server. This includes amavisd-new as a filter, and this combination causes bounces to RT occasionally... and my customers aren't getting my replies!</p>
<p>   If I send an email to an RT ticket, which I am the owner of, RT sends an email on my behalf to the requestor (as it should). Unfortunately, amavisd-new sometimes sees 2 "Sender" headers and rejects the email which creates a new ticket in RT with the bounce reason. Here' the header-1.hdr attachment that amavis replies with:</p>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0">
<pre>Return-Path: <a class="moz-txt-link-rfc2396E" href="mailto:support@example.com"><support@example.com></a>
Sender: <a class="moz-txt-link-abbreviated" href="mailto:steve@example.com">steve@example.com</a>
MIME-Version: 1.0
Content-Type: multipart/alternative;
 boundary="=_b308d10660951d296cc57d268c770c5f"
Sender: Stephen Switzer <a class="moz-txt-link-rfc2396E" href="mailto:steve@example.com"><steve@example.com></a>
Date: Mon, 19 Dec 2016 23:55:55 -0500
From: "RT, Support" <a class="moz-txt-link-rfc2396E" href="mailto:support@example.com"><support@example.com></a>
To: <a class="moz-txt-link-abbreviated" href="mailto:support@example.com">support@example.com</a>
Subject: Re: [SBS #99845] Laptop will not connect to the internet
In-Reply-To: <a class="moz-txt-link-rfc2396E" href="mailto:rt-4.4.1-1416-1482202966-319.99845-8-0@example.com"><rt-4.4.1-1416-1482202966-319.99845-8-0@example.com></a>
References: <a class="moz-txt-link-rfc2396E" href="mailto:RT-Ticket-99845@example.com"><RT-Ticket-99845@example.com></a>
 <a class="moz-txt-link-rfc2396E" href="mailto:CY4PR10MB16247C062AD6E90C674E7AE1B4900@CY4PR10MB1624.namprd10.prod.outlook.com"><CY4PR10MB16247C062AD6E90C674E7AE1B4900@CY4PR10MB1624.namprd10.prod.outlook.com></a>
 <a class="moz-txt-link-rfc2396E" href="mailto:rt-4.4.1-1416-1482202966-319.99845-8-0@example.com"><rt-4.4.1-1416-1482202966-319.99845-8-0@example.com></a>
Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:a1cd0f3d6b0cc448f7d4dd737df29a80@example.com"><a1cd0f3d6b0cc448f7d4dd737df29a80@example.com></a>
X-Sender: <a class="moz-txt-link-abbreviated" href="mailto:support@example.com">support@example.com</a>
</pre>
</blockquote>
<p>Yes, I sanitized, even though you can deduce what it really was easily... :)</p>
<p>I grep'd the RT code, and found that lib/RT/Interface/Email.pm seems to be what is responsible... but no obvious line that tells me this code is used for OUTBOUND email. Can anyone shed some light on this issue? I'd be happy to hack code, I just want it fixed.</p>
<p>Thank you!<br /> </p>
<div class="moz-signature">-- <br />
<p style="padding-bottom: 5px;">Best regards,<br /> Steve</p>
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<td rowspan="3" align="center" width="220"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528671d94bced8297890aabc02ac4b9f079" width="140" height="47" name="SBS ROC Logo" align="bottom" border="0" /></td>
<td align="center" width="25"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528e151f5ec421f039bd939648896aa0b02" width="18" height="17" /></td>
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<div align="left"><span style="font-size: 12px; font-weight: bold; color: #414141;">Stephen H. Switzer </span><br /> <span style="font-size: 12px; color: #7b7b7b;">President & Chief Technical Consultant</span></div>
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<td align="center"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f52882cd45fe372e2d4a750c6216a2584d1f" width="20" height="14" /></td>
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<div style="font-size: 12px; font-weight: bold; color: #414141;" align="left"><a title="Click
                          to send email to Stephen Switzer" href="mailto:steve@sbsroc.com">steve@SBSroc.com</a></div>
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<tr style="padding: 0px; spacing: 0px; opacity: 0.8; filter: alpha(opacity=80);">
<td rowspan="1" align="center"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528d9d87bd2ac692e830943271139f01071" width="20" height="16" /></td>
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<div style="font-size: 12px; color: #414141;" align="left"><strong>Main:</strong><br /> <strong>Cell:</strong></div>
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<div style="font-size: 12px; color: #414141;" align="left">+1 (585) 298-9420   <strong>Ext:</strong> 7001<br /> +1 (585) 202-8312</div>
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<tbody>
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<td align="right" height="20"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f52882cd45fe372e2d4a750c6216a2584d1f" width="20" height="14" /></td>
<td height="20">
<div style="font-size: 12px; color: #7b7b7b; padding-bottom: 8px;">Support Desk:<br /> <a title="Click to send email to SBS
                                  Support" href="mailto:support@sbsroc.com">support@sbsroc.com</a></div>
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<td align="center"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528d9d87bd2ac692e830943271139f01071" width="20" height="16" /></td>
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<div style="font-size: 12px; color: #414141;" align="left"><strong>Fax:</strong></div>
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<div style="font-size: 12px; color: #414141;" align="left">+1 (585) 625-0020</div>
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<p style="font-size: xx-small; font-weight: lighter; font-style: normal;" align="justify"><span style="font-size: 11px; color: #7b7b7b;"><span style="font-size: xx-small;">This e-mail contains proprietary information some or all of which may be legally privileged. It is for the intended recipient only. If an addressing or transmission error has misdirected this e-mail, please notify the author by replying to this e-mail. If you are not the intended recipient you must not use, disclose, distribute, copy, print or rely on this e-mail. The content of this email may contain private views and opinions, which do not constitute formal disclosure or commitment unless specifically stated. We do not enter into legally binding agreements via email.</span></span></p>
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<td width="30"><a href="http://www.sbsroc.com"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528f751baa49f8b2feba115a56f84d3438e" border="0" /></a></td>
<td width="30"><a href="https://plus.google.com/+SwitzerBusinessSolutionsLLCRochester"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528f04be8514daaa1f3c530bdd2e9c5e79e" border="0" /></a></td>
<td width="30"><a href="https://www.facebook.com/sbsolutions"><img style="border: 0px Solid;" src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f52891d759ab6dc5cf6da504ff231dbf034a" width="27" height="27" /></a></td>
<td width="30"><a href="https://www.linkedin.com/company/switzer-business-solutions-llc"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528b3ad277e3a103b5dfaedc878ddc94ee6" border="0" /></a></td>
<td width="30"><a href="https://twitter.com/sbsroc"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f5287b433c84ff8e426eb617beb8d68d8fae" border="0" /></a></td>
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<table cellspacing="0" cellpadding="0" align="right">
<tbody>
<tr style="opacity: 0.5; filter: alpha(opacity=50);">
<td height="20"><img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f528157a4aad6ae83d550ba9e548bae8ce99" alt="The ASCII Group" border="0" /> <img src="./?_task=mail&_id=842660552585dd8647f528&_action=display-attachment&_file=rcmfile842660552585dd8647f5289674dd5589fa9939809e08419100aad6" alt="Xorcom Certified Dealer" border="0" /></td>
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