This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

 xxxx@hotmail.com
    host hotmail-com.olc.protection.outlook.com [65.55.92.168]
    SMTP error from remote mail server after MAIL FROM:<mail@mail.com> SIZE=1626:
    550 SC-001 (SNT004-MC3F55) Unfortunately, messages from 185.26.xx.xxx weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
Reporting-MTA: dns; k1.aa.com

Action: failed
Final-Recipient: rfc822;kasirga098@hotmail.com
Status: 5.0.0
Remote-MTA: dns; hotmail-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 SC-001 (SNT004-MC3F55) Unfortunately, messages from 185.26.xxx.xx weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors.

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