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List:       postfix-users
Subject:    Re: Refuse mail from hosts with closed port 25
From:       "Kevin A. McGrail" <kmcgrail () pccc ! com>
Date:       2019-09-16 14:19:15
Message-ID: 78265d2e-bb6d-1af3-dbd8-ce51680de1e3 () pccc ! com
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Fair enough.   Maybe he should turn that feature on then :-)

On 9/16/2019 9:59 AM, Bill Cole wrote:
>
> I don't believe that Net::validMX does anything more *at the domain
> level* than Postfix's built-in reject_unknown_sender_domain
> restriction. Its check_email_validity() may be a bit more strict than
> Postfix's built-in address sanity checks. 
-- 
*Kevin A. McGrail*
CEO Emeritus

Peregrine Computer Consultants Corporation
10311 Cascade Lane
Fairfax, VA 22032

http://www.pccc.com/

703-359-9700 / 800-823-8402 (Toll-Free)
703-798-0171 (wireless)
KMcGrail@PCCC.com <mailto:kmcgrail@pccc.com>

https://www.linkedin.com/in/kmcgrail


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    <p>Fair enough.   Maybe he should turn that feature on then :-)<br>
    </p>
    <div class="moz-cite-prefix">On 9/16/2019 9:59 AM, Bill Cole wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:C0754889-0491-4204-A0D2-2D3185CA9F45@billmail.scconsult.com"><br>
      I don't believe that Net::validMX does anything more *at the
      domain level* than Postfix's built-in reject_unknown_sender_domain
      restriction. Its check_email_validity() may be a bit more strict
      than Postfix's built-in address sanity checks.
    </blockquote>
    <div class="moz-signature">-- <br>
      <b>Kevin A. McGrail</b><br>
      CEO Emeritus
      <p>
        Peregrine Computer Consultants Corporation<br>
        10311 Cascade Lane<br>
        Fairfax, VA 22032</p>
      <p>
        <a href="http://www.pccc.com/">http://www.pccc.com/</a></p>
      <p>
        703-359-9700 / 800-823-8402 (Toll-Free)<br>
        703-798-0171 (wireless)<br>
        <a href="mailto:kmcgrail@pccc.com">KMcGrail@PCCC.com</a></p>
      <p>
        <a href="https://www.linkedin.com/in/kmcgrail">https://www.linkedin.com/in/kmcgrail</a></p>
      <p>
      </p>
      <div align="center"><img
          src="cid:part4.9DCDDC61.6172259F@pccc.com"></div>
    </div>
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