Office 365 Smtp Relay Settings
Microsoft 365 or office 365 smtp relay does not require the use of a licensed microsoft 365 or office 365 mailbox to send emails.
Office 365 smtp relay settings. Microsoft 365 or office 365 smtp relay has higher sending limits than smtp client submission. Senders are not bound by the 30 messages per minute or 10 000 recipients per day limits. This connector will receive smtp relay transactions from the application or device.
Before you attempt to create a connector be sure your account has the proper exchange online permissions. Sign in to office 365 with the tenant admin account. Login to office 365 and from the top menu select admin admin centers exchange click mail flow on the left menu.
Go to admin settings click show all settings first domains. However when using office 365 you may have to configure an smtp relay on your mail server s end for it work correctly. Features of microsoft 365 or office 365 smtp relay.
Setting up or updating the office 365 smtp server with ip authentication create an inbound connector with ip authentication. Select your domain and note the mx record. Setting up office 365 connector for mail flow.
Follow the below steps to set this up.