WordPress SMTP integration with Site Age Mail

you need to add this code in your functions.php WP theme.

// Siteage, LLC SMTP setting for WP
add_action( 'phpmailer_init', 'setup_phpmailer_init' );
function setup_phpmailer_init( PHPMailer $phpmailer ) {
    $phpmailer->Host = 'mail.siteage.net';
    $phpmailer->Port = 587;
    $phpmailer->Username = 'email-address'; // here your email
    $phpmailer->Password = 'email-password'; // here your email passsword 
    $phpmailer->SMTPAuth = true; 
    $phpmailer->SMTPSecure = 'tls';
    $phpmailer->IsSMTP();
}