SMTP Authentication Support | Drupal.orgThis module allows Drupal to bypass the PHP mail() function and send email directly to an SMTP server. The module supports SMTP authentication and can even connect to servers using SSL if supported by PHP. Drupal 8/9 version requires PHPMailer 6.x If you're using the most recent version of SMTP, you must download the PHPMailer library. It is suggested you install the SMTP module via composer: comp
