Re: [swinog] Bluewin Error: Der MX-Eintrag fuer die Domaene aerni.com kann nicht verifiziert werden - swinog

12 Jan 2018

Hi Benoit,

Maybe Bluewin requires a matching PTR? Currently 87.102.181.130 resolves to
cable-static-181-130.breitband.ch <http://cable-static-181-130.breitband.ch/> and
not to mail.aerni.com <http://mail.aerni.com/>.

Daniel

...
  Does anyone know, how bluewin does 'verify' an
MX?

 The MX of our customer is prefectly reachable for sender verification
 but his emails sent 'to' bluewin recipients are getting blocked with:

 MAIL FROM: &lt;[scrubbed](a)aerni.com&gt; Unable to verify MX-Record for
 domain aerni.com

 aerni.com mail is handled by 10 mail.aerni.com.

 mail.aerni.com has address 87.102.181.130 