Issue MailEnable: Message could not be delivered to some recipients.

[Juan Yänez]

Reason: 550 SC-001 (BAY004-MC6F36) Unfortunately, messages from 162.252.57.131 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.


who can help me with this case???

 

[IgorG]

who can help me with this case???

Have you seen this KB article https://kb.plesk.com/en/127894 ?
Contact Hotmail support team for resolving this issue.