Synchro/PHPMailer — pull request #2 by stanislavdavid (2013-05-15 21:32:42+00:00)
Title: Update class.smtp.php

stream_socket_client is more flexible and nothing else needs to be changed.
for example
$socket_options = array('socket' => array('bindto' => $this->INTERFACE));
will bind phpmailer to different than default ip address on server with multiple IP