The mail server [80.241.59.204] has been temporarily rate limited due to IP reputation.

Rob Udink shared this problem ago

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When sending email to someone in the live.com domain I get a repsonding mail:

This is the mail system at host mout-u-204.mailbox.org. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <xxxxx@live.nl>: host eur.olc.protection.outlook.com[52.101.73.17] said: 451 4.7.650 The mail server [80.241.59.204] has been temporarily rate limited due to IP reputation. For e-mail delivery information, see https://aka.ms/postmaster (S775) [Name=Protocol Filter Agent][AGT=PFA][MxId=11BDC5EEFC85E6C3] [AMS0EPF0000019F.eurprd05.prod.outlook.com 2026-07-22T11:55:32.989Z 08DEE2F785DB74F6] (in reply to MAIL FROM command)

What is the cause of this issue and what can be done to solve it.

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Replies (1)

mailbox Support ●

Hello Rob Udink,

thanks for your post.

Have you tried to resend the email a bit later? Usually, this is just a temporary error.

If the issue still occurs, please forward this message to our Support team by writing an email to helpdesk@mailbox.org or by opening a ticket via https://support.mailbox.org. One of our colleagues will then have a look at it. Please note that we are currently receiving a lot of inquiries, so we kindly ask for some patience.

Thank you!

Kind regards

Your mailbox Team

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