Merhaba arkadaşlar,hosting c-panelden mail servisi var bildiğiniz gibi.

mail adresim info@santosgraphic.com

Bana mail gönderdiklerinde sorunsuz şekilde geliyor.

Ama ben mail gönderdiğimde hata mesajı geliyor.

Sitemde Wordpress Mail SMTP eklentisinden mi kaynaklanıyor acaba?

Mesaj Başlığı Şöyle : Mail delivery failed: returning message to sender

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:

host mx2.hotmail.com [65.55.33.119]
SMTP error from remote mail server after MAIL FROM: SIZE=1723:
550 OU-001 (COL004-MC5F24) Unfortunately, messages from 176.9.119.195 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.