SMTP CLass

class Mail {

    private $connection;

    public $server;
    public $port = 25;
    public $timeout = 60;

    private $newline = "\r\n";
    private $charset = "utf-8";

    private $format = "plain";

    public $username;
    public $password;

    private $headers;

    private $from;
    private $to = array();
    private $cc = array();
    private $bcc = array();

    public $subject;
    public $message;

    public $debug = array();

    public function __construct($server = null, $port = 25, $username = null, $password = null){
        if(!is_null($server)){
            $this->server = $server;
            $this->port = $port;
            $this->username = $username;
            $this->password = $password;
        }
        set_time_limit(240);
    }

    public function initialize($config = array()){

    }

    public function from($email, $name = null){
        $this->from = $email;
        if(is_null($name)){
            $this->headers['From'] = "<$email>";
        }
        else{
            $this->headers['From'] = "$name <$email>";
        }
    }

    public function reply_to($email){
        if(is_null($name)){
            $this->headers['Reply-To'] = "<$email>";
        }
        else{
            $this->headers['Reply-To'] = "$name <$email>";
        }
    }

    public function to($email){
        if(is_array($email)){
            $this->to = array_merge($this->to, $email);
        }
        else{
            array_push($this->to, $email);
        }
    }

    public function cc($email){
        if(is_array($email)){
            $this->cc = array_merge($this->cc, $email);
        }
        else{
            array_push($this->cc, $email);
        }
    }

    public function bcc($email){
        if(is_array($email)){
            $this->bcc = array_merge($this->bcc, $email);
        }
        else{
            array_push($this->bcc, $email);
        }
    }

    public function subject($subject){
        $this->subject = $subject;
    }

    public function message($message){
        $this->message = $message;
    }

    private function compile_message(){
        //plain
        $headers = "";
        $headers .= "MIME-Version: 1.0" . $this->newline;

        foreach ($this->headers as $key => $val) {
            $headers .= $key . ": " . $val . $this->newline;
        }

        $headers .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
        $headers .= "Content-Transfer-Encoding: 8bit" . $this->newline;

        return $headers . $this->newline . $this->newline .$this->message;
    }

    public function command($command, $nls = 1){

        $newlines = "";
        for ($i = 0; $i < $nls; $i++) {
            $newlines .= $this->newline;
        }

        fwrite($this->connection, $command . $newlines);

        array_push($this->debug, "Command: $command");

        array_push($this->debug, "Response: ".$this->response());

        $command = htmlentities($command);
        echo "<pre>Command: $command</pre>";
    }

    public function response(){
        $data = "";
        while ($str = fgets($this->connection, 512)) {
            $data .= $str;

            if (substr($str, 3, 1) == " ") {
                break;
            }
        }
        echo "<pre>$data</pre>";
        return $data;
    }

    public function send(){
        $success = false;

        $this->connection = fsockopen($this->server, $this->port, $errno, $errstr, $this->timeout);

        $this->command('EHLO '.$this->server);

        $this->command('AUTH LOGIN');

        $this->command(base64_encode($this->username));
        $this->command(base64_encode($this->password));

        if(!empty($this->from)){
            $this->command('MAIL FROM: <' . $this->from .'>');
        }

        if(!empty($this->to)){
            foreach($this->to as $to){
                $this->command('RCPT TO: <' . $to . '>');
            }
        }

        if(!empty($this->cc)){
            foreach($this->cc as $cc){
                $this->command('RCPT TO: <' . $cc . '>');
            }
        }

        if(!empty($this->bcc)){
            foreach($this->bcc as $bcc){
                $this->command('RCPT TO: <' . $bcc . '>');
            }
        }

        $this->command('DATA');

        $this->command('From: ' . $this->from);

        $this->command('To: ' . implode(',', $this->to));

        $this->command('Reply-To: ' . $this->from);

        $this->command('Subject: '.$this->subject);

        fflush($this->connection);

        if($this->format != "html"){
            $message = $this->compile_message();

            $this->command($message, 1);

            $response = $this->command('.');
        }

        if(substr($response, 0, 3) == 250){
            $success = true;
        }

        $this->command('QUIT');
        fclose($this->connection);

        return $success;
    }

    public function debug(){
        return $this->debug;
    }
}