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php socket通过smtp发送邮件（可带附件）

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풀어 주다： 2016-06-20 13:02:40
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1435명이 탐색했습니다.

php socket通过smtp发送邮件（可带附件）

//define("SOL", "\n");
define("EOL", "\r\n");
define("SMTP_HOST", "smtp.163.com");//SMTP服务器
define("SMTP_PORT", "25");//SMTP服务器端口
define("SMTP_USER", "");//SMTP服务器的用户帐号
define("SMTP_PASS", "");//SMTP服务器的用户密码


$from = "";//SMTP服务器的用户邮箱
$to = "";//发送给谁 可用逗号隔开多个邮箱
$cc = "";
$bcc = "";

$subject="这是一个由PHP发送的带附件的邮件";//邮件主题 很多客户端会有乱码，所以转一下码
$body = "这个是一个带附件的邮件发送程序<hr>看到没，这里显示了HTM标签哦;<a href="'http://www.google.com/'">请点开链接</a><input type="'button'" id="'aaa'" name='\"aaa\"'> ".date('Y-m-d H:i:s');//邮件内容
$smtp = new smtp(SMTP_HOST,SMTP_PORT,SMTP_USER,SMTP_PASS, true);//这里面的一个true是表示使用身份验证,否则不使用身份验证.
$smtp->addAttachment("mail.zip");
$smtp->sendmail($to, $from, $subject, $body, $cc, $bcc);


class smtp {

	/* Public Variables */
	public $attachments = array();
	/* Private Variables */
	private $smtp_host;
	private $smtp_port;
	private $time_out;
	private $host_name;
	private $auth;
	private $user;
	private $pass;
	private $sock;

	/* Constractor */
	public function smtp($smtp_host = null, $smtp_port = null, $user = null, $pass = null, $auth = true) {
		$this->smtp_host = (!empty($smtp_host)) ? $smtp_host : SMTP_HOST;
		$this->smtp_port = (!empty($smtp_port)) ? $smtp_port : SMTP_PORT;
		$this->user = (!empty($user)) ? $user : SMTP_PORT;
		$this->pass = (!empty($pass)) ? $pass : SMTP_PORT;
		$this->auth = $auth;
		$this->time_out = 15;
		#
		$this->host_name = "localhost";
		$this->sock = FALSE;
	}

	/* Main Function */
	public function sendmail($to, $from, $subject = "", $body = "", $cc = "", $bcc = "") {
		$bndp = md5(uniqid("")) . rand(1000, 9999);
		$bnd  = md5(uniqid("")) . rand(1000, 9999);
		list ($msec, $sec) = explode(" ", microtime());

		$mail_from = $this->strip_line_breaks($from);
		$mail_to = explode(",", $to);
		$body = preg_replace("/(^|(\r\n))(\\.)/", "", $body);
		if ($cc != "") $mail_to = array_merge($mail_to, explode(",", $cc));
		if ($bcc != "") $mail_to = array_merge($mail_to, explode(",", $bcc));

		$headers  = "MIME-Version:1.0" . EOL;
		$headers .= "To: " . $to . EOL;
		if ($cc != "") {
		$headers .= "Cc: " . $cc . EOL;
		}
		$headers .= "From: $from" . EOL;
		$headers .= "Subject: " . $subject . EOL;
		$headers .= "Date: " . date("r") . EOL;
		$headers .= "X-Mailer: Webmail ver 1.0 (PHP Version/" . phpversion() . ")" . EOL;
		$headers .= "Message-ID: " . EOL;
		if (count($this->attachments) > 0) {
			$headers .= "Content-Type: multipart/mixed;" . EOL . chr(9) . " boundary=\"" . $bndp . "\"" . EOL . EOL;
			$headers .= '--'.$bndp . EOL;
			$headers .= 'Content-Type : multipart/alternative; boundary="' . $bnd . '"' . EOL . EOL;
			$headers .= '--' . $bnd . EOL;
			$headers .= 'Content-Type: text/plain; charset=utf-8' . EOL;
			$headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
			$headers .= $body . EOL;
			$headers .= '--' . $bnd . EOL;
			$headers .= 'Content-type: text/html; charset=utf-8' . EOL;
			$headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
			$headers .= $body . EOL;
			$headers .= '--' . $bnd . '--' . EOL;

			foreach ($this->attachments as $att) {
				$headers .= "--" . $bndp . EOL . $att;
			}
			$headers .= '--' . $bndp . '--' . EOL;
			$this->clear_attachments();
		} else {
			$headers .= 'Content-Type : multipart/alternative;boundary="'.$bnd.'"' . EOL . EOL;
			$headers .= '--'.$bnd . EOL;
			$headers .= 'Content-Type: text/plain; charset=utf-8' . EOL;
			$headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
			$headers .= $body . EOL;
			$headers .= '--'.$bnd . EOL;
			$headers .= 'Content-type: text/html; charset=utf-8' . EOL;
			$headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
			$headers .= $body . EOL;
			$headers .= '--'.$bnd.'--' . EOL;
		}

		$sent = TRUE;
		foreach ($mail_to as $rcpt_to) {
			$rcpt_to = $this->strip_line_breaks($rcpt_to);
			if (!$this->smtp_sockopen($rcpt_to)) {
				$this->log_write("Error: Cannot send email to " . $rcpt_to);
				$sent = FALSE;
				continue;
			}
			if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $headers, $body)) {
				$this->log_write("E-mail has been sent to ");
			} else {
				$this->log_write("Error: Cannot send email to ");
				$sent = FALSE;
			}
			fclose($this->sock);
		}
		$this->log_write("{$mail_to} send over;");
		return $sent;
	}

	public function addAttachment($file, $dispo = "attachment") {
		$file_data = (file_exists($file)) ? file_get_contents($file) : "";
		if ($file_data != "") {
			$filename = basename($file);
			$ext = pathinfo($filename, PATHINFO_EXTENSION);
			$chunks = chunk_split(base64_encode($file_data));
			$parts  = "Content-Type: application/$ext; name=\"" . $filename . "\"" . EOL;
			$parts .= "Content-Transfer-Encoding: base64" . EOL;
			$parts .= "Content-Disposition: " . $dispo . "; filename=\"" . $filename . "\"" . EOL . EOL;
			$parts .= $chunks . EOL . EOL;
			$this->attachments[] = $parts;
		}
	}

	private function clear_attachments() {
		unset($this->attachments);
		$this->attachments = array();
	}

	/* Private Functions */
	private function smtp_send($helo, $from, $to, $header, $body = "") {
		if (!$this->smtp_putcmd("HELO", $helo)) {
			//$this->log_write("Error: Error occurred while sending HELO command.");
			return FALSE;
		}
		#auth
		if ($this->auth) {
			if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
				//$this->log_write("Error: Error occurred while sending HELO command.");
				return FALSE;
			}
			if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
				//$this->log_write("Error: Error occurred while sending HELO command.");
				return FALSE;
			}
		}
		if (!$this->smtp_putcmd("MAIL", "FROM:")) {
			//$this->log_write("Error: Error occurred while sending MAIL FROM command.");
			return FALSE;
		}
		if (!$this->smtp_putcmd("RCPT", "TO:")) {
			//$this->log_write("Error: Error occurred while sending RCPT TO command.");
			return FALSE;
		}
		if (!$this->smtp_putcmd("DATA")) {
			//$this->log_write("Error: Error occurred while sending DATA command.");
			return FALSE;
		}
		if (!$this->smtp_message($header, $body)) {
			//$this->log_write("Error: Error occurred while sending message.");
			return FALSE;
		}
		if (!$this->smtp_eom()) {
			//$this->log_write("Error: Error occurred while sending <cr><lf>.<cr><lf> [EOM].");
			return FALSE;
		}
		if (!$this->smtp_putcmd("QUIT")) {
			//$this->log_write("Error: Error occurred while sending QUIT command.");
			return FALSE;
		}
		return TRUE;
	}
	private function smtp_sockopen($address) {
		if ($this->smtp_host == "") {
			return $this->smtp_sockopen_mx($address);
		} else {
			return $this->smtp_sockopen_relay();
		}
	}
	private function smtp_sockopen_relay() {
		$this->log_write("Trying to Connect " . $this->smtp_host . ":" . $this->smtp_port . "...");
		$this->sock = @fsockopen($this->smtp_host, $this->smtp_port, $errno, $errstr, $this->time_out);
		if (!($this->sock && $this->smtp_ok())) {
			$this->log_write("Error: connenct error" . $errstr . " (" . $errno . ")");
			return FALSE;
		}
		$this->log_write("Connected Ok");
		return TRUE;
	}
	private function smtp_sockopen_mx($address) {
		$domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);
		if (!@getmxrr($domain, $MXHOSTS)) {
			$this->log_write("Error: Cannot resolve MX \"" . $domain . "\"");
			return FALSE;
		}
		foreach ($MXHOSTS as $host) {
			$this->log_write("Trying to " . $host . ":" . $this->smtp_port);
			$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
			if (!($this->sock && $this->smtp_ok())) {
				$this->log_write("Connect Error ," . $errstr . " (" . $errno . ")");
				continue;
			}
			$this->log_write("Connected to mx host " . $host);
			return TRUE;
		}
		$this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")");
		return FALSE;
	}
	private function smtp_message($header, $body) {
		fputs($this->sock, $header . "\r\n" . $body);
		return TRUE;
	}
	private function smtp_eom() {
		fputs($this->sock, "\r\n.\r\n");
		return $this->smtp_ok();
	}
	private function smtp_ok() {
		$response = str_replace("\r\n", "", fgets($this->sock, 512));
		if (!preg_match("/^[23]/", $response)) {
			fputs($this->sock, "QUIT\r\n");
			fgets($this->sock, 512);
			$this->log_write("Error: Remote host returned \"" . $response . "\"");
			return FALSE;
		}
		return TRUE;
	}
	private function smtp_putcmd($cmd, $arg = "") {
		if ($arg != "") $cmd = ($cmd == "") ? $arg : ($cmd . " " . $arg);
		fputs($this->sock, $cmd . "\r\n");
		return $this->smtp_ok();
	}
	private function strip_line_breaks($address) {
		$address = preg_replace("/([\t\r\n])+/", "", $address);
		$address = preg_replace("/^.*.*$/", "", $address);
		return $address;
	}
	public function log_write($message) {
		$message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
		file_put_contents(dirname(__FILE__) . '/mail.log', $message . PHP_EOL, FILE_APPEND | LOCK_EX);
	}
}</lf></cr></lf></cr>
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