set_time_limit(120); 
class smtp_mail 
{ 
var $host;          //主機(jī) 
var $port;          //端口 一般為25 
var $user;          //SMTP認(rèn)證的帳號(hào) 
var $pass;          //認(rèn)證密碼 
var $debug = false;   //是否顯示和服務(wù)器會(huì)話(huà)信息？ 
var $conn; 
var $result_str;      //結(jié)果 
var $in;          //客戶(hù)機(jī)發(fā)送的命令 
var $from;          //源信箱 
var $to;          //目標(biāo)信箱 
var $subject;         //主題 
var $body;          //內(nèi)容 
function smtp_mail($host,$port,$user,$pass,$debug=false) 
{ 
$this->host   = $host; 
$this->port   = $port; 
$this->user   = base64_encode($user); 
$this->pass   = base64_encode($pass); 
$this->debug  = $debug; 
$this->socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP);  //具體用法請(qǐng)參考手冊(cè) 
if($this->socket) 
{ 
$this->result_str  =  "創(chuàng)建SOCKET:".socket_strerror(socket_last_error()); 
$this->debug_show($this->result_str); 
} 
else 
{ 
exit("初始化失敗，請(qǐng)檢查您的網(wǎng)絡(luò)連接和參數(shù)"); 
} 
$this->conn = socket_connect($this->socket,$this->host,$this->port); 
if($this->conn) 
{ 
$this->result_str  =  "創(chuàng)建SOCKET連接:".socket_strerror(socket_last_error()); 
$this->debug_show($this->result_str); 
} 
else 
{ 
exit("初始化失敗，請(qǐng)檢查您的網(wǎng)絡(luò)連接和參數(shù)"); 
} 
$this->result_str = "服務(wù)器應(yīng)答：<font color=#cc0000>".socket_read ($this->socket, 1024)."</font>"; 
$this->debug_show($this->result_str); 


} 
function debug_show($str) 
{ 
if($this->debug) 
{ 
echo $str."<p>\r\n"; 
} 
} 
function send($from,$to,$subject,$body) 
{ 
if($from == "" || $to == "") 
{ 
exit("請(qǐng)輸入信箱地址"); 
} 
if($subject == "") $sebject = "無(wú)標(biāo)題"; 
if($body    == "") $body    = "無(wú)內(nèi)容"; 
$this->from     =  $from; 
$this->to       =  $to; 
$this->subject  =  $subject; 
$this->body     =  $body; 

$All          = "From:".$this->from."\n"; 
$All          .= "To:".$this->to."\n"; 
$All          .= "Subject:".$this->subject."\n"; 
$All          .= $this->body; 
/* 
  如過(guò)把$All的內(nèi)容再加處理，就可以實(shí)現(xiàn)發(fā)送MIME郵件了 
  不過(guò)還需要加很多程序 
*/ 


//以下是和服務(wù)器會(huì)話(huà) 
$this->in       =  "EHLO HELO\r\n"; 
$this->docommand(); 

$this->in       =  "AUTH LOGIN\r\n"; 
$this->docommand(); 

$this->in       =  $this->user."\r\n"; 
$this->docommand(); 

$this->in       =  $this->pass."\r\n"; 
$this->docommand(); 

$this->in       =  "MAIL FROM:".$this->from."\r\n"; 
$this->docommand(); 

$this->in       =  "RCPT TO:".$this->to."\r\n"; 
$this->docommand(); 

$this->in       =  "DATA\r\n"; 
$this->docommand(); 

$this->in       =  $All."\r\n.\r\n"; 
$this->docommand(); 

$this->in       =  "QUIT\r\n"; 
$this->docommand(); 

//結(jié)束，關(guān)閉連接 

 

} 
function docommand() 
{ 
socket_write ($this->socket, $this->in, strlen ($this->in)); 
$this->debug_show("客戶(hù)機(jī)命令：".$this->in); 
$this->result_str = "服務(wù)器應(yīng)答：<font color=#cc0000>".socket_read ($this->socket, 1024)."</font>"; 
$this->debug_show($this->result_str); 
} 
} 

//你用這個(gè)類(lèi)的時(shí)候你修改成你自己的信箱就可以了 
$smtp  =   new smtp_mail("smtp.163.com","25","你的163.com的帳號(hào)","你的密碼"); 
//如果你需要顯示會(huì)話(huà)信息，請(qǐng)將上面的修改成 
//$smtp  =   new smtp_mail("smtp.163.com","25","你的163.com的帳號(hào)","你的密碼",true); 
$smtp->send("你的163.com的帳號(hào)@163.com","目標(biāo)地址","你好","你好"); 
?>