Hello List
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: <[scrubbed]@aerni.com> 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
Connected to mail.aerni.com. Escape character is '^]'. 220 mail.aerni.com ESMTP ready. quit 221 mail.aerni.com closing connection Connection closed by foreign host. benoit@krup:~$ telnet mail.aerni.com. smtp Trying 87.102.181.130... Connected to mail.aerni.com. Escape character is '^]'. 220 mail.aerni.com ESMTP ready. ehlo imp.ch 250-mail.aerni.com Hello dhcp-186.imp.ch [157.161.4.186] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250-STARTTLS 250 HELP mail from:<> 250 OK rcpt to:<[scrubbed]@aerni.com> 250 Accepted rset 250 Reset OK
Mit freundlichen Grüssen
-Benoît Panizzon-