/* Plugin Name: TMC-Custom SMTP (No Plugin) */ add_action('phpmailer_init', function ($phpmailer) { $phpmailer->isSMTP(); $phpmailer->Host = 'smtp'; // Docker service name $phpmailer->Port = 25; $phpmailer->SMTPAuth = false; $phpmailer->SMTPSecure = ''; // '', 'ssl', 'tls' $phpmailer->From = 'noreply@linksize.com'; $phpmailer->FromName = 'Linksize'; });