choosing the envelope sender is left to your MTA.</p>
</dd>
<dt class="hdlist1">--smtp-encryption=&lt;encryption&gt;</dt>
<dd>
<p>Specify the encryption to use, either <em>ssl</em> or <em>tls</em>.  Any other
value reverts to plain SMTP.  Default is the value of
<em>sendemail.smtpEncryption</em>.</p>
</dd>
<dt class="hdlist1">--smtp-domain=&lt;FQDN&gt;</dt>
<dd>
<p>Specifies the Fully Qualified Domain Name (FQDN) used in the
HELO/EHLO command to the SMTP server.  Some servers require the
FQDN to