public function createMessageId() {

        $time = time();

        if ($this->_from !== null) {
            $user = $this->_from;
        } elseif (isset($_SERVER['REMOTE_ADDR'])) {
            $user = $_SERVER['REMOTE_ADDR'];
        } else {
            $user = getmypid();
        }

        $rand = mt_rand();

        if ($this->_recipients !== array()) {
            $recipient = array_rand($this->_recipients);
        } else {
            $recipient = 'unknown';
        }

        if (isset($_SERVER["SERVER_NAME"])) {
            $hostName = $_SERVER["SERVER_NAME"];
        } else {
            $hostName = php_uname('n');
        }

        return sha1($time . $user . $rand . $recipient) . '@' . $hostName;
    }
public function createMessageId() {

        $time = time();

        if ($this->_from !== null) {
            $user = $this->_from;
        } elseif (isset($_SERVER['REMOTE_ADDR'])) {
            $user = $_SERVER['REMOTE_ADDR'];
        } else {
            $user = getmypid();
        }

        $rand = mt_rand();

        if ($this->_recipients !== array()) {
            $recipient = array_rand($this->_recipients);
        } else {
            $recipient = 'unknown';
        }

        if (isset($_SERVER["SERVER_NAME"])) {
            $hostName = $_SERVER["SERVER_NAME"];
        } else {
            $hostName = php_uname('n');
        }

        return sha1($time . $user . $rand . $recipient) . '@' . $hostName;
    }
public function createMessageId ( ) { $ time = time ( ) ; if ( $ this -> _from !== null ) { $ user = $ this -> _from ; } elseif ( isset ( $ _SERVER [ 'REMOTE_ADDR' ] ) ) { $ user = $ _SERVER [ 'REMOTE_ADDR' ] ; } else { $ user = getmypid ( ) ; } $ rand = mt_rand ( ) ; if ( $ this -> _recipients !== array ( ) ) { $ recipient = array_rand ( $ this -> _recipients ) ; } else { $ recipient = 'unknown' ; } if ( isset ( $ _SERVER [ "SERVER_NAME" ] ) ) { $ hostName = $ _SERVER [ "SERVER_NAME" ] ; } else { $ hostName = php_uname ( 'n' ) ; } return sha1 ( $ time . $ user . $ rand . $ recipient ) . '@' . $ hostName ; }
Creates the Message-ID

@return string
Creates the Message - ID