Microsoft 365

Microsoft 365 is an all-in-one bundle that includes the Office 365 suite, Windows 10 Pro and Enterprise Mobility+Security for a complete, interconnected experience.

This message couldn’t be delivered because the sending email address was not recognized as a valid sender

This message couldn’t be delivered because the sending email address was not recognized as a valid sender

In Microsoft 365, If you have tried to send a bulk email for multiple receptions, you may get this error “This message couldn’t be delivered because the sending email address was not recognized as a valid sender“. In this post, we will learn how to overcome this issue “This message couldn’t be delivered because the

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