The message you specifed was received by Office 365, but it wasn't delivered. We provided the sender a non-delivery report ...

The message you specifed was received by Office 365, but it wasn't delivered. We provided the sender a non-delivery report that contains details about why the message couldn't be delivered. Please review these details:

Recipient: {Recipient}
Email server: {DestinationMailServer}
Email server's IP: {DestinationIP}
Error: {MessageDetail}

Ask the sender ({Sender}) to follow the details in the non-delivery report email message to solve this issue.
Contacting support won't solve the problem.