This connector will receive smtp relay transactions from the application or device.
Office 365 smtp relay port 587.
The smtp relay server that wants to relay mail to the office 365 mail infrastructure will.
The application which you are using for sending the emails must support tls.
In some cases your applications or devices don t support the requirements for connecting to office 365 using ssl or on the non standard smtp port of 587.
Here s how you can set up office 365 smtp settings.
Microsoft 365 or office 365 smtp relay has higher sending limits than smtp client submission.
The sending app must connect to the office 365 servers on port 587.
Thus port 587 was assigned to message submission to make sure that the new policy and security requirements don t interfere with the traditional relay traffic over message relay port 25.
Set up exchange online as an smtp relay using windows server 2008 install internet information services iis in server manager select add roles.
Then click on more settings outgoing server to set up your smtp settings.
The sending app must authenticate with office 365.
Before you attempt to create a connector be sure your account has the proper exchange online permissions.
To set up an smtp relay you must first create a connector in office 365 to accept smtp transactions.
Mandatory requirements for smtp relay with office 365.
Not all scanners support smtp with authentication and personally i don t find it really convenient either.
Once you log in to the outlook mail app use the toolbar and navigate to settings mail pop and imap.
Select outbound connections and in the tcp port box enter 587 and select ok.
You should use port 587 as a default smtp port.
Enter the credentials of the office 365 user who you want to use to relay smtp mail.
Office 365 smtp settings for scanner or application to send an email from your scanner or application you can t always use the first method.
Senders are not bound by the 30 messages per minute or 10 000 recipients per day limits.
The concept of splitting the traditional message submission and message relay was proposed by the rfc.