smtp.class.php文件,[php]smtp.class.php

set_time_limit(120);

class smtp_mail

{

var $host; //主机

var $port; //端口 一般为25

var $user; //SMTP认证的帐号

var $pass; //认证密码

var $debug = false; //是否显示和服务器会话信息？

var $conn;

var $result_str; //结果

var $in; //客户机发送的命令

var $from_r; //真实的源信箱,一般与smtp服务器的用户名一样，否则可能由于smtp服务器的设置而发送不成功

var $mailformat=0; //邮件格式 0=普通文本 1=html邮件

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); //具体用法请参考手册

if($this->socket)

{

$this->result_str = "创建SOCKET:".socket_strerror(socket_last_error());

$this->debug_show($this->result_str);

}

else

{

exit("初始化失败，请检查您的网络连接和参数");

}

$this->conn = socket_connect($this->socket,$this->host,$this->port);

if($this->conn)

{

$this->result_str = "创建SOCKET连接:".socket_strerror(socket_last_error());

$this->debug_show($this->result_str);

}

else

{

exit("初始化失败，请检查您的网络连接和参数");

}

$this->result_str = "服务器应答：".socket_read ($this->socket, 1024)."";

$this->debug_show($this->result_str);

}

function debug_show($str)

{

if($this->debug)

{

echo $str."

\r\n";

}

}

function send($from,$to,$subject,$body)

{

if($from == "" || $to == "")

{

exit("请输入信箱地址");

}

if($subject == "") $sebject = "无标题";

if($body == "") $body = "无内容";

$All = "From:".$from."\r\n";

$All .= "To:".$to."\r\n";

$All .= "Subject:".$subject."\r\n";

if($this->mailformat==1) $All.= "Content-Type: text/html;\r\n";

else $All .= "Content-Type: text/plain;\r\n";

$All .= "charset=gb2312\r\n\r\n";

$All .= $body;

/*

如果把$All的内容再加处理，就可以实现发送MIME邮件了

不过还需要加很多程序

*/

//以下是和服务器会话

$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();

if(!eregi("235",$this->result_str)){

$this->result_str = "smtp 认证失败";

$this->debug_show($this->result_str);

return 0;

}

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

$this->docommand();

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

$this->docommand();

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

$this->docommand();

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

$this->docommand();

if(!eregi("250",$this->result_str)){

$this->result_str = "邮件发送失败";

$this->debug_show($this->result_str);

return 0;

}

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

$this->docommand();

//结束，关闭连接

return 1;

}

function docommand()

{

socket_write ($this->socket, $this->in, strlen ($this->in));

$this->debug_show("客户机命令：".$this->in);

$this->result_str = "服务器应答：".socket_read ($this->socket, 1024)."";

$this->debug_show($this->result_str);

}

} //end class

?>

先把文件内上面程序里的这些内容填进去，如：

var $ host="smtp.sina.com.cn"; //主机

var $port="25"; //端口 一般为25

var $user=" users"; //SMTP认证的帐号

var $pass="users123; //认证密码

然后把这个文件放到你网站下，只要你网站的程序访问的到就行，.

然后要用到发邮件的程序里包含进来 如: include('smtp.class.php');

然后在这个发邮件的程序里用

$mails=new smtp_mail();

if($mail->send("发信人地址","收信人邮箱地址","主题","内容")){

echo "发 送成功!";

}else{

echo "邮件服务器忙，请稍候再试试";

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