This hook is invoked by <a href="git-send-email.html">git-send-email(1)</a>.</p>
</div>
<div class="paragraph">
<p>It takes these command line arguments. They are,
1. the name of the file which holds the contents of the email to be sent.
2. The name of the file which holds the SMTP headers of the email.</p>
</div>
<div class="paragraph">
<p>The SMTP headers are passed in the exact same way as they are passed to the
user&#8217;s Mail Transport Agent (MTA). In effect, the email given to the user&#8217;s
MTA, 