Mail delivery failed: returning message to sender Error

[gakaguka]

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:


ar*********@hotmail.com

host hotmail-com.olc.protection.outlook.com [104.47.1.33]

SMTP error from remote mail server after pipelined MAIL FROM:<me******@*****.com> SIZE=3534:

550 5.7.1 Unfortunately, messages from [***.***.***.**] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to Troubleshooting. [VE1EUR01FT028.eop-EUR01.prod.protection.outlook.com]

I cannot send mail to outlook services in any way. Where should I configure?

 

[Handssler Lopez]

The only way to eliminate the blocking by hotmail is through the following form.

https://support.microsoft.com/es-es/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75

hotmail no lock details only indicates if you have unlocked it or not

I hope I have help you!

 

[cPanelLauren]

Please note that this is ultimately something that you need to discuss with your provider, based on that message it’s likely that the issue isn’t something you did at all, it’s related to your provider’s network. They’ve placed all the IPs in part of their network on a block list.