Smtp Relay Office 365
The application which you are using for sending the emails must support tls.
Smtp relay office 365. Any email address including non office365 mailboxes can send mail using an smtp relay as long as it uses a domain that s set up as yours in office 365. Smtp relay client smtp submission or direct send. The sending app must connect to the office 365 servers on port 587.
Microsoft 365 or office 365 smtp relay uses a connector to authenticate the mail sent from your device or application. You will need to create an app password for this. Let s look at how you can set up smtp settings in the microsoft office 365 mail server.
Another option is to use the direct send option that i will describe later on. Follow the below steps to set this up. If you need more you will need to use the smtp relay.
Log in to your office 365 tenant open the exchange admin center and click mail flow and click connectors. Mail to domains not hosted on office 365 will be delivered directly from the iis smtp server to the final destination it will not pass through the office 365 smtp servers. To set up an smtp relay you must first create a connector in office 365 to accept smtp transactions.
Office 365 imap settings. Happyfox allows sending outgoing emails through your own mail server s smtp. 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.
Mandatory requirements for smtp relay with office 365. The sending app must authenticate with office 365. This allows microsoft 365 or office 365 to relay those messages to your own mailboxes as well as external recipients.