If the administrator’s e-mail address is an Office 365 account and you are experiencing an issue when e-mailing a report from Reports – Manager, Option 2 in the following article may resolve the issue:
How to set up a multifunction device or application to send email using Office 365
In the Step-by-step instructions for direct send section of the article, note the MX record POINTS TO ADDRESS value, and enter it in the Server Name field on the Settings – E-Mail screen in the product. Run the report again with the E-Mail Report Delivery option.
If you have any questions, please contact Technical Support at (321) 953-5351, Ext. 4 or firstname.lastname@example.org.