After configuring the Coordinator to use Office 365 (smtp.office365.com) for the SMTP server and clicking Test SMTP, the following error occurs:
"The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [O365ServerName.prod.outlook.com]."
Run the following PowerShell command from a Coordinator server to test sending mail to O365:
