english/libraries/joomla/mail/mail.php
/**
	 * Use sendmail for sending the email
	 *
	 * @param   string  $sendmail  Path to sendmail [optional]
	 *
	 * @return  boolean  True on success
	 *
	 * @since   11.1
	 */
Use sendmail for sending the email
@param   string  $sendmail  Path to sendmail [optional]

@return  boolean  True on success


Use sendmail for sending the email @param string $sendmail Path to sendmail [ optional ] @return boolean True on success
public function useSendmail($sendmail = null)
	{
		$this->Sendmail = $sendmail;
		if (!empty ($this->Sendmail)) {
			$this->IsSendmail();
			return true;
		}
		else {
			$this->IsMail();
			return false;
		}
	}
public function useSendmail ( $ sendmail = null ) { $ this -> Sendmail = $ sendmail ; if ( ! empty ( $ this -> Sendmail ) ) { $ this -> IsSendmail ( ) ; return true ; } else { $ this -> IsMail ( ) ; return false ; } }
Use sendmail for sending the email
 @param   string  $sendmail  Path to sendmail [optional]
Use sendmail for sending the email @param string $sendmail Path to sendmail [ optional ]