<div dir="ltr">It's the wildcard A record + wrongly configured DNS that resolves anything to *.<a href="http://conviator.com">conviator.com</a> which then fails.<div><br>Remove the "search <a href="http://conviator.com">conviator.com</a>" from /etc/resolv.conf or fix your wildcard DNS.</div>
</div> <div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div style="font-family:arial;font-size:small"><div><br><b>Alex Neuman van der Hans<br></b>Reliant Technologies / Vida Digital<br><a href="http://t.sigopn02.com/link?url=http%3A%2F%2Fvidadigital.com.pa%2F&ukey=agxzfnNpZ25hbHNjcnhyGAsSC1VzZXJQcm9maWxlGICAgKCUyroKDA&k=e1d187e7-61d3-4f47-f588-00f93bb763ba" style="color:rgb(17,85,204)" target="_blank">http://vidadigital.com.pa/</a><br>
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<br><br><div class="gmail_quote">On Tue, Sep 2, 2014 at 9:55 AM, Steve Freegard <span dir="ltr"><<a href="mailto:steve.freegard@fsl.com" target="_blank">steve.freegard@fsl.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Can you provide a proper example of a domain that exhibits this<br>
behaviour? Having a non-resolvable primary MX is pretty rare, so I'd be<br>
pretty surprised to see this happening very often.<br>
<br>
I suspect it's likely caused by your wildcard A record on your domain:<br>
<br>
smf@i7-desktop:~$ host <a href="http://t.sigopn02.com/link?url=http%3A%2F%2Fsdlkfjsdklfjsdklfjsldf.conviator.com%2F&ukey=agxzfnNpZ25hbHNjcnhyGAsSC1VzZXJQcm9maWxlGICAgKCUyroKDA&k=13e78ada-4673-4526-e177-6b05f4327235" target="_blank">sdlkfjsdklfjsdklfjsldf.conviator.com</a><br>
<a href="http://t.sigopn02.com/link?url=http%3A%2F%2Fsdlkfjsdklfjsdklfjsldf.conviator.com%2F&ukey=agxzfnNpZ25hbHNjcnhyGAsSC1VzZXJQcm9maWxlGICAgKCUyroKDA&k=cbf7b718-6e2f-4a50-d4ac-a1d6e2c93f5d" target="_blank">sdlkfjsdklfjsdklfjsldf.conviator.com</a> has address <a href="tel:86.58.185.222" value="+18658185222">86.58.185.222</a><br>
<br>
And the interaction between that and your search path in resolv.conf.<br>
<br>
I bet if you type something like:<br>
<br>
ping sdklfjsdkljfskl.skdfjsdkjfs<br>
<br>
On that server - it will resolve to <a href="tel:86.58.185.222" value="+18658185222">86.58.185.222</a>.<br>
<br>
Regards,<br>
Steve.<br>
<div class="HOEnZb"><div class="h5"><br>
On 02/09/14 13:19, <a href="mailto:ja@conviator.com">ja@conviator.com</a> wrote:<br>
> hi<br>
> its a bit OT but I hope its OK anyway. We are also using Mailscanner as<br>
> outbound scanner and see a problem that I cannot figure out - probably<br>
> some setting im missing.<br>
> sometimes "we" send emails to a domain where the primary MX record does<br>
> not resolve. I would have expected that sendmail would just try the next<br>
> but instead it resolves to <a href="http://t.sigopn02.com/link?url=http%3A%2F%2Fmxrecord.name.ourdomain.com%2F&ukey=agxzfnNpZ25hbHNjcnhyGAsSC1VzZXJQcm9maWxlGICAgKCUyroKDA&k=2f3fbc41-7d8c-4880-df73-c12948711e5f" target="_blank">mxrecord.name.OURDOMAIN.COM</a> (I think) - it<br>
> seams it appends our domain and then tries this server and this server<br>
> says "no thanks" so the delivery fails.<br>
> I tried to lookup the MX myself using the same nameserver as the<br>
> mailscanner server is using - this fails so its not the DNS server that<br>
> appends something to make it resolveable or gives out a standard IP.<br>
> I also checked the resolve file to check that there is not search<br>
> setting that would make it search our domain for a valid IP/lookup.<br>
> how can I stop this behavior and make it try the next MX in line?<br>
> best regards<br>
> Jan<br>
><br>
><br>
<br>
<br>
</div></div><div class="HOEnZb"><div class="h5">--<br>
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<div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div style="font-family:arial;font-size:small"><div><br><b>Alex Neuman van der Hans<br></b>Reliant Technologies / Vida Digital<br><a href="http://vidadigital.com.pa/" style="color:rgb(17,85,204)" target="_blank">http://vidadigital.com.pa/</a><br>
<br></div><div>Mobile: +507-6781-9505<br>Work: +507-832-6725<br>Work (USA): +1-440-253-9789</div><div>Skype: <a>AlexNeuman</a></div><div><br>Don't miss <a href="http://new.livestream.com/accounts/5061819" target="_blank">Vida Digital on LiveStream</a>!</div>
<div>Saturdays 8am-10am on 104.3FM Panama</div><div><br>Follow <b><a href="https://twitter.com/alexneuman" style="color:rgb(17,85,204)" target="_blank">@AlexNeuman</a></b> on Twitter<br>Like <a href="https://facebook.com/vidadigital/" style="color:rgb(17,85,204)" target="_blank">Vida Digital</a> on Facebook</div>
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<br><br><div class="gmail_quote">On Tue, Sep 2, 2014 at 9:55 AM, Steve Freegard <span dir="ltr"><<a href="mailto:steve.freegard@fsl.com" target="_blank">steve.freegard@fsl.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Can you provide a proper example of a domain that exhibits this<br>
behaviour? Having a non-resolvable primary MX is pretty rare, so I'd be<br>
pretty surprised to see this happening very often.<br>
<br>
I suspect it's likely caused by your wildcard A record on your domain:<br>
<br>
smf@i7-desktop:~$ host <a href="http://sdlkfjsdklfjsdklfjsldf.conviator.com" target="_blank">sdlkfjsdklfjsdklfjsldf.conviator.com</a><br>
<a href="http://sdlkfjsdklfjsdklfjsldf.conviator.com" target="_blank">sdlkfjsdklfjsdklfjsldf.conviator.com</a> has address <a href="tel:86.58.185.222" value="+18658185222">86.58.185.222</a><br>
<br>
And the interaction between that and your search path in resolv.conf.<br>
<br>
I bet if you type something like:<br>
<br>
ping sdklfjsdkljfskl.skdfjsdkjfs<br>
<br>
On that server - it will resolve to <a href="tel:86.58.185.222" value="+18658185222">86.58.185.222</a>.<br>
<br>
Regards,<br>
Steve.<br>
<div class="HOEnZb"><div class="h5"><br>
On 02/09/14 13:19, <a href="mailto:ja@conviator.com">ja@conviator.com</a> wrote:<br>
> hi<br>
> its a bit OT but I hope its OK anyway. We are also using Mailscanner as<br>
> outbound scanner and see a problem that I cannot figure out - probably<br>
> some setting im missing.<br>
> sometimes "we" send emails to a domain where the primary MX record does<br>
> not resolve. I would have expected that sendmail would just try the next<br>
> but instead it resolves to <a href="http://mxrecord.name.OURDOMAIN.COM" target="_blank">mxrecord.name.OURDOMAIN.COM</a> (I think) - it<br>
> seams it appends our domain and then tries this server and this server<br>
> says "no thanks" so the delivery fails.<br>
> I tried to lookup the MX myself using the same nameserver as the<br>
> mailscanner server is using - this fails so its not the DNS server that<br>
> appends something to make it resolveable or gives out a standard IP.<br>
> I also checked the resolve file to check that there is not search<br>
> setting that would make it search our domain for a valid IP/lookup.<br>
> how can I stop this behavior and make it try the next MX in line?<br>
> best regards<br>
> Jan<br>
><br>
><br>
<br>
<br>
</div></div><div class="HOEnZb"><div class="h5">--<br>
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<br>
Before posting, read <a href="http://wiki.mailscanner.info/posting" target="_blank">http://wiki.mailscanner.info/posting</a><br>
<br>
Support MailScanner development - buy the book off the website!<br>
</div></div></blockquote></div><br></div>