/**
* @param null|string $mode
* @throws MailerException
*/
public function setMode($mode = null)
{
if (empty($mode)) {
$mode = OutboundEmailConfigurationPeer::MODE_DEFAULT;
}
$mode = strtolower($mode);
// make sure it's lower case
if (!OutboundEmailConfigurationPeer::isValidMode($mode)) {
throw new MailerException("Invalid Mailer: '{$mode}' is an invalid mode", MailerException::InvalidMailer);
}
$this->mode = $mode;
}