Name - a required field, name of the SMTP server.
From address - a required field, the default address which will be used for outbound mail. Please make sure at least 1 email has been sent from this address manually (for the verification purpose).
Email prefix - a required field, this prefix will be prepended to all outgoing email subjects.
Service Provider - select Microsoft Office 365 from the list
Username - username of your email account linked to Office 365 (example email@example.com).
Password - password to your email account.
Test Connection - allows you to check the connection to the SMTP server. In case of an unsuccessful connection, an error message appears.
Save - saves all data and creates Office 365 server as configured.
Cancel - allows you to return to the “Custom SMTP server” page without saving data.