smtpmail class

smtpmail.php

<?php

class SmtpMail
{
    private $server;
    private $user;
    private $pass;
    private $port = 25;

    public function __construct($server="localhost", $port=25, $user=null, $pass=null)
    {

        $this->server = $server;
        $this->user = base64_encode($user);
        $this->pass = base64_encode($pass);

        if (is_numeric($port))
            $this->port = $port;
    }

    public function sendMail($pairdata)
    {
        $ret_val = array();
        if ($sock = fsockopen($this->server, $this->port))
        {
            // TODO: get the correct hostname via product config...
            // also, smtpmail() uses HELO, but our smtp servers support ESMTP, so this
            // should be passed as EHLO to tell the server that we want ESMTP, not SMTP
            fputs ($sock, "EHLO webwc10.int.rightnowtech.com\r\n");
            $ret_val["hello"] = fgets ($sock, 1024);

            // RightNow servers don't require auth, but here is support if needed
            if (isset($this->user) && $this->user != null &&
                isset($this->pass) && $this->pass != null)
            {
                fputs($sock, "auth login\r\n");
                $ret_val["res"] = fgets($sock, 1024);

                fputs($sock, $this->user."\r\n");
                $ret_val["user"] = fgets($sock, 1024);

                fputs($sock, $this->pass."\r\n");
                $ret_val["pass"] = fgets($sock, 256);
            }

            fputs ($sock, "MAIL FROM: <".$pairdata["from"].">\r\n");
            $ret_val["from"] = fgets($sock, 1024);

            fputs ($sock, "RCPT TO: <".$pairdata["to"].">\r\n");
            $ret_val["to"] = fgets($sock, 1024);

            fputs($sock, "DATA\r\n");
            $ret_val["data"] = fgets($sock, 1024);

            $msg = $this->_generateData($pairdata);
            fputs($sock, $msg);
            $ret_val["send"] = fgets($sock, 256);

            // tell the server to disconnect, and close the socket
            fputs ($sock, "QUIT\r\n");
            fclose($sock);
        }

        // clean up the ret_val
        foreach (array_keys($ret_val) as $k)
            $ret_val[$k] = trim($ret_val[$k]);

        return $ret_val;
    }

    private function _generateData(&$arr)
    {
        $msg = sprintf("To: %s\r\nFrom: %s\r\nSubject: %s\r\n", $arr["to"], $arr["from"], $arr["subject"]);
        // add custom headers
        if (isset($arr["custom_headers"]) && is_array($arr["custom_headers"]))
        {
            foreach ($arr["custom_headers"] as $k => $v)
            {
                $msg .= sprintf("%s: %s\r\n", $k, $v);
            }
        }

        // add the body of the msg, and put a . on a blank line by itself to indicate the end of the msg to the server
        // per the RFC
        $msg .= sprintf("\r\n%s\r\n.\r\n", $arr["body"]);
        return $msg;
    }
}

$pairdata = array(
    "from" => "Luke Davison <ldavison@rightnow.com>",
    "to" => "Luke Davison <ldavison@rightnow.com>",
    "subject" => "this is a test subject",
    "body" => "this is a test body",
    "custom_headers" => array(
        "X-Mailer" => "my super awesome happy mailer script",
        "X-Priority" => "3 (normal)",
    ),
);

header("Content-type: text/plain");
$mail = new SmtpMail();
$res = $mail->sendMail($pairdata);
print_r($res);