https://learn.jamf.com/r/en-US/jamf-pro-documentation-11.16.0/Configuring_the_SMTP_Server_Settings_for_Google_Authentication?contentId=5yov0G6IAmAZsLScP~p_5w
Configuring the SMTP Server Settings for Google Authentication
Requirements A Google Workspace edition that includes Gmail services (i.e., Enterprise) A new or existing Gmail account associated with your Google Workspace...
configuring the smtp serverfor googlesettingsauthentication