topic Emails to Hotmail/Outlook in Email

Emails to Hotmail/Outlook

markyb705242 — Tue, 24 Mar 2026 22:04:36 GMT

Is there a resolution to this?

   This is an automatically generated Delivery Status Notification.      

Delivery to the following recipients failed permanently:

   * *********@hotmail.co.uk

Reason: A message that you sent to the following recipient could not be delivered due to a permanent error. ** The remote server ?? responded with: ** ********@hotmail.co.uk ??:?? This message was created automatically by mail delivery software on the server .

It appears to be a block on ALL plusnet emails to MS!

Re: Emails to Hotmail/Outlook

markyb705242 — Tue, 24 Mar 2026 22:24:52 GMT

I'm having the same issue with Gmails!!!

We cannot send emails to the worlds biggest email providres!

Re: Emails to Hotmail/Outlook

jasco — Wed, 25 Mar 2026 10:55:33 GMT

I have been having the same problem for months with email sent to hotmail, msn and outlook.

I identified that globalnet is on Spamhaus blocklist.

Can Plusnet support please help to resolve this which is seriously hampering my work?

Re: Emails to Hotmail/Outlook

PhilipHeyes — Wed, 25 Mar 2026 11:03:55 GMT

Refer to :

https://community.plus.net/t5/Email/Hotmail-rejecting-mail-from-PN-Diagnostic-Code-smtp-550-5-7-1/td-p/2035800