<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Juri pointed me in the right direction; the patch he pointed me to seems to be the issue we're running into. The problem stems from the fact that a particular domain (<a href="http://bbsv2.net">bbsv2.net</a>) has a malformed DMARC record:</div><div dir="ltr"><br></div><div dir="ltr"><font face="monospace, monospace" size="1">_<a href="http://dmarc.bbsv2.net">dmarc.bbsv2.net</a>.<span style="white-space:pre"> </span>156<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>TXT<span style="white-space:pre"> </span>"v=DMARC1\; p=reject\; rua=mailto:<a href="mailto:dmarc_agg@dmarc.250ok.net">dmarc_agg@dmarc.250ok.net</a>\; ruf=mailto:<a href="mailto:dmarc_fr@dmarc.250ok.net">dmarc_fr@dmarc.250ok.net</a>\; rf=afrfruf=mailto:<a href="mailto:dmarc_fr@dmarc.250ok.net">dmarc_fr@dmarc.250ok.net</a>\; fo=1\; pct=100\; rf=afrf"</font><br></div><div dir="ltr"><br></div><div>Since this is not the case for most sites, this issue doesn't cause opendmarc to crash.</div><div><br></div><div>To determine whether this patch has been installed or not you can simply run opendmarc-check to find out:</div><div><br></div><div><div><font face="monospace, monospace">$ opendmarc-check <a href="http://bbsv2.net">bbsv2.net</a></font></div><div><font face="monospace, monospace">Segmentation fault (core dumped)</font></div></div><div dir="ltr"><br></div><div>The patch that fixes this, as Juri pointed me at, is <a href="https://sourceforge.net/p/opendmarc/tickets/227/">here</a> (Ticket #227).</div><div dir="ltr"><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Jan 11, 2019 at 8:42 AM Steve Siirila <<a href="mailto:sfs@umn.edu">sfs@umn.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Thanks for the reference Juri. Any ideas when this fix will make it into a newer rpm package?</div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jan 10, 2019 at 4:24 PM Juri Haberland <<a href="mailto:juri@sapienti-sat.org" target="_blank">juri@sapienti-sat.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 10/01/2019 18:53, Steve Siirila wrote:<br>
> We've been running opendmarc on a portion of our MX servers and have been<br>
> experiencing crashes occasionally. When troubleshooting, the crashes<br>
> always occur upon receiving messages from a specific source (<br>
> <a href="mailto:bbmail%2BXXX@mail.bbsv1.net" target="_blank">bbmail+XXX@mail.bbsv1.net</a> or <a href="mailto:bbmail%2BXXX@mail.bbsv2.net" target="_blank">bbmail+XXX@mail.bbsv2.net</a>). Has anyone<br>
> running opendmarc experienced this issue when receiving email from that<br>
> site?<br>
> <br>
> We are using opendmarc v1.3.2 with Postfix 2.6.6 on a RHEL 6 Linux VM.<br>
<br>
Without any further information my guess is that you are running into issue<br>
#227: <a href="https://sourceforge.net/p/opendmarc/tickets/227/" rel="noreferrer" target="_blank">https://sourceforge.net/p/opendmarc/tickets/227/</a><br>
<br>
<br>
Juri<br>
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