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.
Office 365 smtp relay settings.
But let me clear something up.
Settings for microsoft 365 or office 365 smtp relay.
Be sure to change the from to and smtpserver parameter values to use your own office 365 smtp relay settings before running it.
The office 365 exchange server can be configured to allow smtp relay for specific ip addresses.
Configure a connector to send mail using microsoft 365 or office 365 smtp relay to edit your existing connector settings.
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.
This eliminates the need for a specific user name and password login.
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.
Since office 365 is a suite of tools you ll be using microsoft outlook the email client in ms office to edit these settings.
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.
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.
Setting up a connector makes this a more complicated option.
Another option is to use the direct send option that i will describe later on.
Office 365 imap.
Smtp relay lets microsoft 365 or office 365 relay emails on your behalf by using a connector that s configured with your public ip address or a tls certificate.
In this article i ll cover everything you need to know about your office 365 smtp settings.
If some or all of your mailboxes are in office 365 there are a few options available.
Use the powershell code below for testing.
Emails from my device are marked as junk by microsoft 365 or office 365.
If you need more you will need to use the smtp relay.
Smtp relay client smtp submission or direct send.
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.
Your office365 password also make sure that your.