Remove “mail.readwrite” Scope for the Outlook Mailer

/* Removing "mail.readwrite" for the Outlook Mailer  

 * 

 * Original doc: https://wpmailsmtp.com/docs/removing-mail-readwrite-scope-for-the-outlook-mailer/

*/

add_filter( 'wp_mail_smtp_pro_providers_outlook_auth_get_scopes', function ( $scopes ) {

	foreach ( $scopes as $key => $scope ) {

		if ( $scope === 'https://graph.microsoft.com/mail.readwrite' ) {

			unset( $scopes[ $key ] );

		}

	}

	return $scopes;

} );

// Prevent the WP Mail SMTP plugin from using endpoints for large attachments via Outlook provider.

add_filter( 'wp_mail_smtp_pro_providers_outlook_mailer_send_large', '__return_false' );