The smtp relay server that wants to relay mail to the office 365 mail infrastructure will need to provide credentials username password using the basic authentication protocol.
Office 365 smtp relay settings.
Settings for microsoft 365 or office 365 smtp relay.
Mail server ip address host name the smtp relay server that wants to relay mail to the 365 mail infrastructure will need to know what is the pubic.
Your office365 password also make sure that your.
Smtp simple mail transfer protocol is used when you set up an on premises multi function printer scanner fax or line of business lob application that needs to send email.
If you need more you will need to use the smtp relay.
Smtp relay client smtp submission or direct send.
Office 365 imap.
Microsoft 365 or office 365 smtp relay requires your device to send email from a static ip address.
Follow the steps in option 3.
This testing must be done from the computer whose public ip address is allowed in the office 365 smtp relay setup.
For a fixed location like an office or web site a specific ip address or set of ip addresses can be allowed to use the smtp server.
The office 365 exchange server can be configured to allow smtp relay for specific ip addresses.
If you have mfa enabled for your account then you can t use your normal password to authenticate the office 365 smtp settings.
You will need to create an app password for this.
Configure a connector to send mail using microsoft 365 or office 365 smtp relay to edit your existing connector settings.
This eliminates the need for a specific user name and password login.
Setting up a connector makes this a more complicated option.
From email in hesk settings general tab is set to your office365 email address from name in hesk settings general tab is not set to an email address microsoft security policies will reject sending emails if the from name is an email address pop3 fetching.
Want to set up office 365 smtp settings for your email account.
Emails from my device are marked as junk by microsoft 365 or office 365.
Another option is to use the direct send option that i will describe later on.
Since office 365 is a suite of tools you ll be using microsoft outlook the email client in ms office to edit these settings.
But let me clear something up.
Use the powershell code below for testing.
Be sure to change the from to and smtpserver parameter values to use your own office 365 smtp relay settings before running it.