Manual:$wgSMTP/Outlook Exchange Server

This page provides an example for setting the $wgSMTP configuration parameter if you would like to use an email account created with your Outlook Exchange Server for sending emails by your wiki.

STARTTLS

$wgSMTP = [
    'host'     => 'outlook.corporatedomain.com', // hostname of the email server
    'IDHost'   => 'corporationname.com',
    'port'     => 587,
    'auth'     => false,
    'username' => 'name@corporationname.com',    // user of the email account
    'password' => '****************'             // pass of the email account
];