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I got several email messages from the SF-LUG email server <br>
noting that a number of subscribers have been fatally dropped. <br>
Attached to each email was the email message down below. <br>
<br>
Note that every user has a YAHOO account and there is the <br>
following reference for each user: <br>
<br>
See <a class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html">https://help.yahoo.com/kb/postmaster/SLN7253.html
</a><br>
<br>
The short story is that Yahoo's DNS policies are rejecting <br>
emails sent from the SF-LUG server along the lines that <br>
the Yahoo DNS policies do not recognize the SF-LUG server's <br>
domain as valid. <br>
<br>
So far (about 30 minutes) I do not know what to do to <br>
remedy this problem and am asking for help. <br>
<br>
<br>
-------- Forwarded Message --------
<table class="moz-email-headers-table" cellspacing="0"
cellpadding="0" border="0">
<tbody>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Subject: </th>
<td>Mail delivery failed: returning message to sender</td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date: </th>
<td>Sun, 26 Apr 2020 15:52:45 -0700</td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">From: </th>
<td>Mail Delivery System <a class="moz-txt-link-rfc2396E"
href="mailto:Mailer-Daemon@linuxmafia.com"><Mailer-Daemon@linuxmafia.com></a></td>
</tr>
<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">To: </th>
<td><a class="moz-txt-link-abbreviated"
href="mailto:sf-lug-bounces@linuxmafia.com">sf-lug-bounces@linuxmafia.com</a></td>
</tr>
</tbody>
</table>
<br>
<div class="moz-forward-container">
<div class="moz-forward-container"> <br>
This message was created automatically by mail delivery
software.<br>
<br>
A message that you sent could not be delivered to one or more of
its<br>
recipients. This is a permanent error. The following address(es)
failed:<br>
<br>
<a class="moz-txt-link-abbreviated"
href="mailto:jstrazza@yahoo.com" moz-do-not-send="true">jstrazza@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:tomdiz@yahoo.com" moz-do-not-send="true">tomdiz@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:mountainmist842003@yahoo.com"
moz-do-not-send="true">mountainmist842003@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:algoldor@yahoo.com" moz-do-not-send="true">algoldor@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:donnaccincinnati@yahoo.com"
moz-do-not-send="true">donnaccincinnati@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:kirkabbott@yahoo.com" moz-do-not-send="true">kirkabbott@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:adrian207@yahoo.com" moz-do-not-send="true">adrian207@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:bbourdoud@yahoo.com" moz-do-not-send="true">bbourdoud@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:ibaraku01@yahoo.com" moz-do-not-send="true">ibaraku01@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:enigma245@yahoo.com" moz-do-not-send="true">enigma245@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:steve_gro@yahoo.com" moz-do-not-send="true">steve_gro@yahoo.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mta6.am0.yahoodns.net [67.195.228.110]: 554 5.7.9 Message
not accepted for policy reasons. See <a
class="moz-txt-link-freetext"
href="https://help.yahoo.com/kb/postmaster/SLN7253.html"
moz-do-not-send="true">https://help.yahoo.com/kb/postmaster/SLN7253.html</a><br>
<a class="moz-txt-link-abbreviated"
href="mailto:list@dragishak.com" moz-do-not-send="true">list@dragishak.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mx1.emailsrvr.com [146.20.161.1]: 550 5.7.1 Email rejected
per DMARC policy for yahoo.com (G15)<br>
<a class="moz-txt-link-abbreviated"
href="mailto:michael@michaelshiloh.com" moz-do-not-send="true">michael@michaelshiloh.com</a><br>
SMTP error from remote mail server after end of data:<br>
host mx1.emailsrvr.com [146.20.161.1]: 550 5.7.1 Email rejected
per DMARC policy for yahoo.com (G15)<br>
<br>
------ This is a copy of the message, including all the headers.
------<br>
<br>
Return-path: <a class="moz-txt-link-rfc2396E"
href="mailto:sf-lug-bounces@linuxmafia.com"
moz-do-not-send="true"><sf-lug-bounces@linuxmafia.com></a><br>
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From: John Strazzarino <a class="moz-txt-link-rfc2396E"
href="mailto:jstrazza@yahoo.com" moz-do-not-send="true"><jstrazza@yahoo.com></a><br>
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To: SF-LUG <a class="moz-txt-link-rfc2396E"
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Subject: [sf-lug] Blue star Linux<br>
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