http://mxtoolbox.com/supertool.aspx?...37.187.242.110
Geri gelen mail bu şekilde.
This is the mail system at host server3.classbilisim.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
<ayyildiz098@hotmail.com>: host mx1.hotmail.com[65.54.188.126] said: 550 OU-002
(BAY004-MC4F4) Unfortunately, messages from 37.187.242.110 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. (in reply to MAIL
FROM command)
Reporting-MTA: dns;
X-Postfix-Queue-ID: 00B7C1260107
X-Postfix-Sender: rfc822;
Arrival-Date: Mon, 12 Jan 2015 17:07:38 +0100 (CET)
Final-Recipient: rfc822; ayyildiz098@hotmail.com
Original-Recipient: rfc822;ayyildiz098@hotmail.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; mx1.hotmail.com
Diagnostic-Code: smtp; 550 OU-002 (BAY004-MC4F4) Unfortunately, messages from
37.187.242.110 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. 