Office 365 SMTP Relay Using IIS

UPDATE!  Depending on the cloud you're in, the location of the Allowed IPs and the Mail Flow Connectors has changed.  Now, to add the sending IP to the Allowed IPs list, navigate here:  https://security.microsoft.com/antispam.  Open the Connection Filter Policy and click Edit Connection Filter Policy.  Add the IP and save it.  To setup or update the SMTP Relay Connector, navigate here:  https://admin.exchange.microsoft.com/....  The screens may look slightly different than in the video, but the steps are the same.

This video explains how you can send email from devices and business applications when all of your mailboxes are in Office 365.

If you have any questions or comments, feel free to reach out to [email protected] !

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