How to Setup SMTP Relay in Office 365 — LazyAdmin
https://lazyadmin.nl/office-365/smtp-relay-in-office-365/
WebNov 12, 2021 · Set up SMTP Relay in Office 365. To set up an SMTP Relay we first need to know the public IP Address of the network where the device is located. If you want to use SMTP Relay for your local multifunctional (scanner), then just open the browser and visit myip.com. Note the IP Address, we will need that later. Open the Exchange Admin Center.
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