HomeMicrosoft OfficeOutlookMicrosoft 365 Exchange Error Code 5.7.501 – Access denied, spam abuse detected

Microsoft 365 Exchange Error Code 5.7.501 – Access denied, spam abuse detected

In this post, let’s have a look at the error message “5.7.501 – Access denied, spam abuse detected” that you get when working with Microsoft 365 Exchange Online.

These are the errors that you usually receive when there is a problem in delivering the email message that was sent by you. These errors are generated and sent by Office 365. This is usually alled as DSN which stands for delivery status notification or in simple words bounce messages.

NDR or Non-delivery report is one of the common type of message that you receive which indicates to the user that the email was not delivered.

Error Message

5.7.501 – Access denied, spam abuse detected

Error Details

The sending account has been banned due to detected spam activity.

For details, see Fix email delivery issues for error code 451 5.7.500-699 (ASxxx) in Exchange Online.

Verify that any account issues have been resolved, and reset its credentials. To restore this account’s ability to send mail, contact support through your regular channel.

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