Tenant blocked from sending email

Hello eagles1927

Here is Ahmed, I'm a community visitor and user like you!
Let me try help you today:

Common causes for exceeding threshold:

- Sending bulk mail. Bulk mail violates the [Office 365 Sending Limits](https://docs.microsoft.com/en-us/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits#sending-limits) .
- [Compromised admin accounts] (https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/responding-to-a-compromised-email-account?view=o365-worldwide) 

For more details about this: https://solyoutionz.com/5-7-705-access-denied-tenant-has-exceeded-threshold/

*Please keep in mind that you need to reopen the case with MS Support, that they have the proper tools. Please advise them to release the threshold. and the steps above help You and Them ti understand the case better and to understand all its aspects.

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Thank you for letting me be a part of your journey to finding a solution!
Ahmed 🙂