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<p class="MsoNormal">I don’t think it’s a problem with the email address, that comes much later in the process after HELO. It’s wanting the full hostname (FQDN of the root, ie ns1.mydomain.net) of the box itself to do a PTR lookup etc..<o:p></o:p></p>
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<p class="MsoNormal">Lew Berry, MCSE, MCT, CSSA<o:p></o:p></p>
<p class="MsoNormal">LCB Consulting Inc.<o:p></o:p></p>
<p class="MsoNormal">Systems Engineer<o:p></o:p></p>
<p class="MsoNormal">450-106 State Road 13 N, #205<o:p></o:p></p>
<p class="MsoNormal">St Johns FL, 32259<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:LCBerry@LCBConsulting.net"><span style="color:windowtext">LCBerry@LCBConsulting.net</span></a><o:p></o:p></p>
<p class="MsoNormal">(904) 482-1405<o:p></o:p></p>
<p class="MsoNormal">(904) 322-5049 fax<o:p></o:p></p>
<p class="MsoNormal">(904) 651-1046 cell<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">****** CONFIDENTIALITY NOTICE ******<o:p></o:p></p>
<p class="MsoNormal">NOTICE: This e-mail message and all attachments transmitted with it may contain legally privileged and confidential information intended solely for the use of the addressee. If the reader of this message is not the intended recipient, you
are hereby notified that any reading, dissemination, distribution, copying, or other use of this message or its attachments is strictly prohibited. If you have received this message in error, please notify the sender immediately and delete this message from
your system. Thank you.<o:p></o:p></p>
<p class="MsoNormal">****************************************************************************<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Blueonyx <blueonyx-bounces@mail.blueonyx.it> <b>
On Behalf Of </b>Michael Aronoff<br>
<b>Sent:</b> Friday, November 13, 2020 10:39 AM<br>
<b>To:</b> BlueOnyx General Mailing List <blueonyx@mail.blueonyx.it><br>
<b>Subject:</b> [BlueOnyx:24504] Problem with "Accept from unresolvable domains"<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">This new default is not working well.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">I have users who ARE sending from fully qualified domains that are getting the error message and unable to send email with that box unchecked.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Here is an error message:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> '</span><a href="mailto:user@correctdomain.com"><span style="font-size:12.0pt">user@correctdomain.com</span></a><span style="font-size:12.0pt">' on 11/13/2020 8:57 AM<br>
504 5.5.2 <PMLT025>: Helo command rejected: need fully-qualified hostname<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">I have changed the email address above but it is a correct email address on a domain name that has proper DNS records for both
</span><a href="http://www.correctdomain.com"><span style="font-size:12.0pt">www.correctdomain.com</span></a><span style="font-size:12.0pt"> and correctdomain.com.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Thanks, <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">________________________________<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">M Aronoff Out – </span><a href="mailto:maronoff@gmail.com"><span style="font-size:12.0pt">maronoff@gmail.com</span></a><span style="font-size:12.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">I'm a great believer in luck, and I find <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">the harder I work the more I have of it.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> - Thomas Jefferson<o:p></o:p></span></p>
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