<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hallo,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">wir haben ein seltsames Verhalten von GMX festgestellt und können das nicht richtig einordnen.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Kurzform: GMX schickt "Bad DNS PTR" Meldungen, obwohl HELO, A und PTR passen.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Langform:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Wir haben einen Server unter dem Namen <a href="http://euve000000.serverprofi.24.de">euve000000.serverprofi.24.de</a> passend eingerichtet (verifiziert mit helocheck und DNS Lookups). Dennoch lehnt GMX ab:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:arial,sans-serif;font-size:12.8px">Mar 30 12:38:26 euve000000 postfix/smtp[29487]: 3503880616: to=<</span><a href="mailto:karin.krueger09@gmx.de" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">johndoe@gmx.de</a><span style="font-family:arial,sans-serif;font-size:12.8px">>, orig_to=<</span><a href="mailto:info@kk-restaurierung.de" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">info@example.com</a><span style="font-family:arial,sans-serif;font-size:12.8px">>, relay=</span><a href="http://mx01.emig.gmx.net/" rel="noreferrer" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">mx01.emig.gmx.net</a><span style="font-family:arial,sans-serif;font-size:12.8px">[212.22</span><wbr style="font-family:arial,sans-serif;font-size:12.8px"><span style="font-family:arial,sans-serif;font-size:12.8px">7.17.5]:25, delay=1096, delays=1096/0.01/0.11/0, dsn=4.0.0, status=deferred (host </span><a href="http://mx01.emig.gmx.net/" rel="noreferrer" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">mx01.emig.gmx.net</a><span style="font-family:arial,sans-serif;font-size:12.8px">[212.227.17.5</span><wbr style="font-family:arial,sans-serif;font-size:12.8px"><span style="font-family:arial,sans-serif;font-size:12.8px">] refused to talk to me: </span><a href="http://554-gmx.net/" rel="noreferrer" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">554-gmx.net</a><span style="font-family:arial,sans-serif;font-size:12.8px"> (mxgmx105) Nemesis ESMTP Service not available 554-No SMTP service 554-Bad DNS PTR resource record. 554 For explanation visit </span><a href="http://postmaster.gmx.com/en/error-messages?ip=62.75.161.67&c=rdns" rel="noreferrer" target="_blank" style="font-family:arial,sans-serif;font-size:12.8px">http://postmaster.gmx.com/en/e<wbr>rror-messages?ip=1.2.3.4&<wbr>c=rdns</a><span style="font-family:arial,sans-serif;font-size:12.8px">)</span><br></div><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">​(das passiert auch​ ohne orig_to).</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Sobald wir den Servernamen auf einen "vernünftigen" Namen ändern, gehen die Nachrichten durch.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Kann uns jemand sagen, ob wir da etwas falsch machen oder ob GMX eine falsche Meldung absetzt?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Viele Grüße</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Rainer</div><br></div>-- <br><div class="gmail_signature">Software Engineer | Trimble Imaging Division<br>Rotebühlstraße 81 | 70178 Stuttgart | Germany<br>Office +49 711 22881 0 | Fax +49 711 22881 11<br><a href="http://www.trimble.com/imaging/" target="_blank">http://www.trimble.com/imaging/</a> | <a href="http://www.inpho.de/" target="_blank">http://www.inpho.de/</a><br><br>Trimble Germany GmbH, Am Prime Parc 11, 65479 Raunheim<br>Eingetragen beim Amtsgericht Darmstadt unter HRB 83893,<br>Geschäftsführer: Dr. Frank Heimberg, Jürgen Kesper</div>
</div>