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If the primary MX does not resolve , sendmail will not try a lesser
MX record, because the best option is unresolvable, so it will
return the message after checking and appending any search
parameters given in /etc/resolv.conf.<br>
<br>
This behaviour is by design, and you are trying to fix a problem
which is inherently not yours to solve.<br>
<br>
If the primary MX does not resolve : The domain is broken - so why
try and work around that?<br>
<br>
<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 02/09/2014 13:19, <a class="moz-txt-link-abbreviated" href="mailto:ja@conviator.com">ja@conviator.com</a>
wrote:<br>
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<blockquote cite="mid:em06a8ed93-8f2d-4825-a97b-6b4ea965d407@kon"
type="cite">
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<div>hi</div>
<div> </div>
<div>its a bit OT but I hope its OK anyway. We are also using
Mailscanner as outbound scanner and see a problem that I cannot
figure out - probably some setting im missing. </div>
<div> </div>
<div>sometimes "we" send emails to a domain where the primary MX
record does not resolve. I would have expected that sendmail
would just try the next but instead it resolves to
mxrecord.name.OURDOMAIN.COM (I think) - it seams it appends our
domain and then tries this server and this server says "no
thanks" so the delivery fails. </div>
<div> </div>
<div>I tried to lookup the MX myself using the same nameserver as
the mailscanner server is using - this fails so its not the DNS
server that appends something to make it resolveable or gives
out a standard IP. </div>
<div> </div>
<div>I also checked the resolve file to check that there is not
search setting that would make it search our domain for a valid
IP/lookup. </div>
<div> </div>
<div>how can I stop this behavior and make it try the next MX in
line? </div>
<div> </div>
<div>best regards</div>
<div>Jan</div>
<div> </div>
<br>
-- <br>
This message has been scanned for viruses and
<br>
dangerous content by the
<a moz-do-not-send="true" href="http://www.togethia.net/"><b>Togethia
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<br>
believed to be clean.
<br>
Scanner:local
<br>
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<div class="moz-signature">-- <br>
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<td colspan="2" style="font-family:
Arial;font-weight:bold; font-size: 12pt;">Peter Farrow</td>
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______________________</td>
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<td style="text-align: right; font-weight: bold;
font-size: 8pt;">Home:</td>
<td style="text-align:center;"> 01249 654183</td>
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<td style="text-align: right; font-weight: bold;
font-size: 8pt;">Fax:</td>
<td style="text-align:center;">01249 461 548</td>
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<td style="text-align: right; font-weight: bold;
font-size: 8pt;">Mobile:</td>
<td style="text-align:center;">07799605617</td>
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<td style="text-align: right; font-weight: bold;
font-size: 8pt;">Skype:</td>
<td style="text-align:center;">peter_farrow</td>
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<td style="text-align: right; font-weight: bold;
font-size: 8pt;">Web:</td>
<td style="text-align:center;"><a
href="http://www.peterfarrow.com">www.peterfarrow.com</a></td>
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