PHP的一个完整SMTP类(解决邮件服务器需要验证时的问题)

时间:2008-11-27 10:54:33   来源:第二电脑网上收集  作者:

  第二电脑网导读:port;      var $time_out;      var $host_name;      var $log_file;      var $relay_host;      var $debug;      var $auth;      var $user...
  正文: smtp.PHP
  
  <?php
  class smtp
  
  {
  
  /* Public Variables */
  
  var $smtp_port;
  
  var $time_out;
  
  var $host_name;
  
  var $log_file;
  
  var $relay_host;
  
  var $debug;
  
  var $auth;
  
  var $user;
  
  var $pass;
  
  /* Private Variables */
  var $sock;
  
  /* Constractor */
  
  function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
  
  {
  
  $this->debug = FALSE;
  
  $this->smtp_port = $smtp_port;
  
  $this->relay_host = $relay_host;
  
  $this->time_out = 30; //is used in fsockopen()
  #
  
  $this->auth = $auth;//auth
  
  $this->user = $user;
  
  $this->pass = $pass;
  
  #
  
  $this->host_name = "localhost"; //is used in HELO command
  $this->log_file = "";
  
  
  
  $this->sock = FALSE;
  
  }
  
  /* Main Function */
  
  function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
  
  {
  
  $mail_from = $this->get_address($this->strip_comment($from));
  
  $body = ereg_replace("(^|(/r/n))(/.)", "/1./3", $body);
  
  $header .= "MIME-Version:1.0/r/n";
  
  if($mailtype=="HTML"){
  
  $header .= "Content-Type:text/html/r/n";
  
  }
  
  $header .= "To: ".$to."/r/n";
  
  if ($cc != "") {
  
  $header .= "Cc: ".$cc."/r/n";
  
  }
  
  $header .= "From: $from<".$from.">/r/n";
  
  $header .= "Subject: ".$subject."/r/n";
  
  $header .= $additional_headers;
  
  $header .= "Date: ".date("r")."/r/n";
  
  $header .= "X-Mailer:By Redhat (PHP/".phpversion().")/r/n";
  
  list($msec, $sec) = explode(" ", microtime());
  
  $header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">/r/n";
  
  $TO = explode(",", $this->strip_comment($to));
  
  if ($cc != "") {
  
  $TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
  
  }
  
  if ($bcc != "") {
  
  $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
  
  }
  
  $sent = TRUE;
  
  foreach ($TO as $rcpt_to) {
  
  $rcpt_to = $this->get_address($rcpt_to);
  
  if (!$this->smtp_sockopen($rcpt_to)) {
  
  $this->log_write("Error: Cannot send email to ".$rcpt_to."/n");
  
  $sent = FALSE;
  
  continue;
  
  }
  
  if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
  
  $this->log_write("E-mail has been sent to <".$rcpt_to.">/n");
  
  } else {
  
  $this->log_write("Error: Cannot send email to <".$rcpt_to.">/n");
  
  $sent = FALSE;
  
  }
  
  fclose($this->sock);
  
  $this->log_write("Disconnected from remote host/n");
  
  }
  
  return $sent;
  
  }
  
  
  
  /* Private Functions */
  
  
  
  function smtp_send($helo, $from, $to, $header, $body = "")
  
  {
  
  if (!$this->smtp_putcmd("HELO", $helo)) {
  
  return $this->smtp_error("sending HELO command");
  
  }
  
  #auth
  
  if($this->auth){
  
  if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
  
  return $this->smtp_error("sending HELO command");
  
  }
  
  if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
  
  return $this->smtp_error("sending HELO command");
  
  }
  
  }
  
  #
  
  if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {
  
  return $this->smtp_error("sending MAIL FROM command");
  
  }
  
  if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {
  
  return $this->smtp_error("sending RCPT TO command");
  
  }
  
  if (!$this->smtp_putcmd("DATA")) {
  
  return $this->smtp_error("sending DATA command");
  
  }
  
  if (!$this->smtp_message($header, $body)) {
  
  return $this->smtp_error("sending message");
  
  }
  
  if (!$this->smtp_eom()) {
  
  return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
  
  }
  
  if (!$this->smtp_putcmd("QUIT")) {
  
  return $this->smtp_error("sending QUIT command");
  
  }
  
  return TRUE;
  
  }
  
  function smtp_sockopen($address)
  
  {
  
  if ($this->relay_host == "") {
  
  return $this->smtp_sockopen_mx($address);
  
  } else {
  
  return $this->smtp_sockopen_relay();
  
  }
  
  }
  
  function smtp_sockopen_relay()
  
  {
  
  $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."/n");
  
  $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
  
  if (!($this->sock && $this->smtp_ok())) {
  
  $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."/n");
  
  $this->log_write("Error: ".$errstr." (".$errno.")/n");
  
  return FALSE;
  
  }
  
  $this->log_write("Connected to relay host ".$this->relay_host."/n");
  
  return TRUE;;
  
  }
  
  
  
  function smtp_sockopen_mx($address)
  
  {
  
  $domain = ereg_replace("^.+@([^@]+)$", "/1", $address);
  
  if (!@getmxrr($domain, $MXHOSTS)) {
  
  $this->log_write("Error: Cannot resolve MX /"".$domain."/"/n");
  
  return FALSE;
  
  }
  
  foreach ($MXHOSTS as $host) {
  
  $this->log_write("Trying to ".$host.":".$this->smtp_port."/n");
  
  $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
  
  if (!($this->sock && $this->smtp_ok())) {
  
  $this->log_write("Warning: Cannot connect to mx host ".$host."/n");
  
  $this->log_write("Error: ".$errstr." (".$errno.")/n");
  
  continue;
  
  }
  
  $this->log_write("Connected to mx host ".$host."/n");
  
  return TRUE;
  
  }
  
  $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")/n");
  
  return FALSE;
  
  }
  
  
  
  function smtp_message($header, $body)
  
  {
  
  fputs($this->sock, $header."/r/n".$body);
  
  $this->smtp_debug("> ".str_replace("/r/n", "/n"."> ", $header."/n> ".$body."/n> "));
  
  
  
  return TRUE;
  
  }
  
  
  
  function smtp_eom()
  
  {
  
  fputs($this->sock, "/r/n./r/n");
  
  $this->smtp_debug(". [EOM]/n");
  
  
  
  return $this->smtp_ok();
  
  }
  
  
  
  function smtp_ok()
  
  {
  
  $response = str_replace("/r/n", "", fgets($this->sock, 512));
  
  $this->smtp_debug($response."/n");
  
  
  
  if (!ereg("^[23]", $response)) {
  
  fputs($this->sock, "QUIT/r/n");
  
  fgets($this->sock, 512);
  
  $this->log_write("Error: Remote host returned /"".$response."/"/n");
  
  return FALSE;
  
  }
  
  return TRUE;
  
  }
  
  function smtp_putcmd($cmd, $arg = "")
  
  {
  
  if ($arg != "") {
  
  if($cmd=="") $cmd = $arg;
  
  else $cmd = $cmd." ".$arg;
  
  }
  
  fputs($this->sock, $cmd."/r/n");
  
  $this->smtp_debug("> ".$cmd."/n");
  
  return $this->smtp_ok();
  
  }
  
  function smtp_error($string)
  
  {
  
  $this->log_write("Error: Error occurred while ".$string."./n");
  
  return FALSE;
  
  }
  
  function log_write($message)
  
  {
  
  $this->smtp_debug($message);
  
  if ($this->log_file == "") {
  
  return TRUE;
  
  }
  
  $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
  
  if (log_file">!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
  
  $this->smtp_debug("Warning: Cannot open log file /"".$this->log_file."/"/n");
  
  return FALSE;;
  
  }
  
  flock($fp, LOCK_EX);
  
  fputs($fp, $message);
  
  fclose($fp);
  
  
  return TRUE;
  
  }
  
  
  function strip_comment($address)
  
  {
  
  $comment = "/([^()]*/)";
  
  while (ereg($comment, $address)) {
  
  $address = ereg_replace($comment, "", $address);
  
  }
  
  
  return $address;
  
  }
  
  
  function get_address($address)
  
  {
  
  $address = ereg_replace("([ /t/r/n])+", "", $address);
  
  $address = ereg_replace("^.*<(.+)>.*$", "/1", $address);
  
  return $address;
  
  }
  
  function smtp_debug($message)
  
  {
  
  if ($this->debug) {
  
  echo $message;
  
  }
  
  }
  
  }
  
  ?>
  
  test.php
  
  <?php
  
  /*
  
  这是一个测试程序!!!
  
  请按照说明设置好以下的参数,以下是以tom.com的用户为例设置好的.
  
  */
  
  require("sm.php");
  
  ##########################################
  
  $smtphotoshop/ target=_blank class=infotextkey>pserver = "smtp.tom.com";//SMTP服务器
  
  $smtpserverport =25;//SMTP服务器端口
  
  $smtpusermail = "someone@tom.com";//SMTP服务器的用户邮箱
  
  $smtpemailto = "jack@knowsky.com";//发送给谁
  
  $smtpuser = "someone";//SMTP服务器的用户帐号
  
  $smtppass = "someonepass";//SMTP服务器的用户密码
  
  $mailsubject = "Test Subject";//邮件主题
  
  $mailbody = "<h1>This is a test mail</h1>";//邮件内容
  
  $mailtype = "HTML";//邮件格式(HTML/TXT),TXT为文本邮件
  
  ##########################################
  
  $smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//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->debug = TRUE;//是否显示发送的调试信息
  
  $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
  
  ?>

来源:http://www.002pc.com/master/College/Programming/PHP/2008-11-27/4065.html

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