smtp mail class

ArgaMailer.php

<?php

/**
 * ArgaMailer Class
 *
 * Usage:
 * $mailer = new ArgaMailer('smtp.server.com', 587, 'username', 'password');
 * $mailer->connect();
 * $mailer->login();
 * $mailer->sendMail('from@example.com', 'to@example.com', 'Subject', 'Message');
 * $mailer->quit();
 *
 * @package    ArgaMailer
 * @author     Sercan Arga (mail@sercanarga.com)
 * @version    1.0
 */
class ArgaMailer
{
    private $smtpServer;
    private $smtpPort;
    private $username;
    private $password;
    private $smtpConnection;

    public function __construct($smtpServer, $smtpPort, $username, $password) {
        $this->smtpServer = $smtpServer;
        $this->smtpPort = $smtpPort;
        $this->username = $username;
        $this->password = $password;
    }

    public function connect() {
        $this->smtpConnection = fsockopen($this->smtpServer, $this->smtpPort, $err, $errstr, 3);
        if (!is_resource($this->smtpConnection)) {
            throw new Exception("SMTP sunucusuna bağlantı kurulamadı: $err - $errstr");
        }
        $response = $this->executeCommand("EHLO $this->smtpServer");
        if (strpos($response, '220') === false) {
            throw new Exception("EHLO komutu başarısız oldu: $response");
        }
    }

    public function login() {
        $response = $this->executeCommand("AUTH LOGIN");
        if (strpos($response, '334') === false) {
            throw new Exception("AUTH LOGIN komutu başarısız oldu: $response");
        }
        $response = $this->executeCommand(base64_encode($this->username));
        if (strpos($response, '334') === false) {
            throw new Exception("Kullanıcı adı doğrulama başarısız oldu: $response");
        }
        $response = $this->executeCommand(base64_encode($this->password));
        if (strpos($response, '235') === false) {
            throw new Exception("Şifre doğrulama başarısız oldu: $response");
        }
    }

    public function sendMail($from, $to, $subject, $message) {
        $response = $this->executeCommand("MAIL FROM: <$from>");
        if (strpos($response, '250') === false) {
            throw new Exception("MAIL FROM komutu başarısız oldu: $response");
        }
        $response = $this->executeCommand("RCPT TO: <$to>");
        if (strpos($response, '250') === false) {
            throw new Exception("RCPT TO komutu başarısız oldu: $response");
        }

        $response = $this->executeCommand("DATA");
        if (strpos($response, '354') === false) {
            throw new Exception("DATA komutu başarısız oldu: $response");
        }

        $headers = "From: $from\r\n";
        $headers .= "To: $to\r\n";
        $headers .= "Subject: $subject\r\n";
        $headers .= "Content-Type: text/plain; charset=UTF-8\r\n";
        $headers .= "Content-Transfer-Encoding: 8bit\r\n";
        $headers .= "\r\n";
        $headers .= "$message\r\n";
        $headers .= ".\r\n";

        $response = $this->executeCommand($headers);
        if (strpos($response, '250') === false) {
            throw new Exception("Mail gönderilemedi: $response");
        }
    }

    public function quit() {
        $this->executeCommand("QUIT");
        fclose($this->smtpConnection);
    }

    private function executeCommand($command) {
        fputs($this->smtpConnection, "$command\r\n");
        return fread($this->smtpConnection, 1024);
    }
}