Cannot send emails to Hotmail addresses
Good morning.
Recently, when I try to send an email to people with Hotmail addresses, I receive back the following error message:
There was an error while attempting to deliver your message with [Subject: "xxxxxx?"] to @hotmail.com It has been in queue too long, and will not attempt delivery again. The Destination MTA: "52.101.10.0" reported the following reason for not accepting your message: "451 4.7.650 The mail server [92.204.71.230] has been temporarily rate limited due to IP reputation. For e-mail delivery information, see https://postmaster.live.com (S775) [Name=Protocol Filter Agent][AGT=PFA][MxId=11BB16660512E7F5] [BN2PEPF000044A2.namprd02.prod.outlook.com 2025-05-06T01:00:18.868Z 08DD8B3303D1FF99]\r\n"
(Note that I have blanked out the recipient address and subject line from the above text.)
This only happens with Hotmail recipients. Other emails seem to be going through OK. I have tried it with different email clients, with the same result.
Thanks in advance for any help.