後は、'mail'を指定した場合と変わりません。 <?php require_once "Mail.php"; $params = array( 'host' => 'mail.example.org', 'port' => '25', 'auth' => false, 'username' => '', 'password' => '', ); $recipients = 'bnote@example.com'; $headers['From'] = 'root@example.com'; $headers['To'] = 'bnote@example.com'; $headers['Subject'] = 'My Subject'; $body = "Message\nMessage\nMessage\n"; $objMail =& Mail::factory('smtp', $par