Microsoft 365 and Office | Other
Miscellaneous topics that do not fit into specific categories.
This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
My business email has been blacklisted?
How do I fix this?
Hi Cheryle,
I'm Sumit, here to assist with your question.
Apologies for any inconvenience - I'm happy to help you today.
It can happen sometimes - possibly due to IP Address being previously used as spam, in case you are using Dynamic IP. Please file this form - Microsoft will investigate and provide you with an update.
https://olcsupport.office.com/
I hope you find this information useful. If you have any more questions, don't hesitate to reach out. Otherwise, please take a moment to accept the answer. Wishing you good luck!