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Error code 554 5.2.2 mailbox full

Anonymous
2025-02-21T05:59:56+00:00

A non-delivery report is returned with error code 554 5.2.2 when sending mails.

Microsoft 365 and Office | Subscription, account, billing | For business | Other

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Anonymous
2025-02-21T07:54:24+00:00

Dear Jessy Brown1,

Thanks for choosing Microsoft Community.

Based on your description, I need to confirm with you whether you are using Microsoft365 for Business account and meet this scenario? If so, for this, please be kindly to contact your admin and let your admin try the suggestions in NDR error 554 5.2.2 mailbox full when sending email to mail-enabled public folders - Exchange | Microsoft Learn.

If there is any update, please feel free to update me. I will continue to help you based on the information you provide. Your understanding and co-operation are highly appreciated.

Thanks for your precious time. Have a nice day.

Sincerely

Katherine

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