Von: MAILER-DAEMON@mail5101.mymxserver.com (Mail Delivery System)
Betreff: Undelivered Mail Returned to Sender
Datum: 24. Juni 2014 07:23:09 MESZ
An: xxx@xxxxxxxx.de

This is the mail system at host mail5101.mymxserver.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                  The mail system

<xxxxxxx@me.com>: host mx5.me.com.akadns.net[17.172.34.69] said: 550 5.7.0
   Blocked - see
   https://support.proofpoint.com/dnsbl-lookup.cgi?ip=185.15.192.36:
   xxxxxxx@me.com (in reply to RCPT TO command)
Reporting-MTA: dns; mail5101.mymxserver.com
X-Postfix-Queue-ID: 8347A3D41D2
X-Postfix-Sender: rfc822; xxx@xxxxxxxx.de
Arrival-Date: Tue, 24 Jun 2014 07:23:08 +0200 (CEST)

Final-Recipient: rfc822; xxxxxxx@me.com
Original-Recipient: rfc822;xxxxxxx@me.com
Action: failed
Status: 5.7.0
Remote-MTA: dns; mx5.me.com.akadns.net
Diagnostic-Code: smtp; 550 5.7.0 Blocked - see
   https://support.proofpoint.com/dnsbl-lookup.cgi?ip=185.15.192.36:
   xxxxxxx@me.com