PHP 发送邮件的类

张颢镡

现在很多主机空间都是IIS上执行PHP程序，大多不能直接用mail()发送邮件，有了这个类只要你有注册过邮箱，就可以随意的发送邮件，速度也不慢哦。

//******************************
// smtp.php文件
//
//******************************
<?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 (!@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;


  }


}


}


?>


//*****************************************************************
// *.php 使用文件，看清楚了，怎么使用在这里
//
//*****************************************************************

<?

require (FILE_DIR."smtp.php");

$smtpserver = "smtp.xxx.com";//SMTP服务器


$smtpserverport =25;//SMTP服务器端口


$smtpusermail = "xxxxx@xxx.com";//SMTP服务器的用户邮箱


$smtpemailto = "aaaaa@xxx.com";//发送给谁


$smtpuser = "xxxxx";//SMTP服务器的用户帐号


$smtppass = "xxxxx";//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);


?>