首先,建立一个index.html文件,代码如下:

<html>
<head>
<title>simple send mail </title>
</head>
<body>
<h1>mail form</h1>
<form name="form1" method="post" action="mail.php">
<table>
<tr><td><b>to</b></td><td>
<input type="text" name="mailto" size="35">
</td></tr>
<tr><td><b>subject</b></td>
<td><input type="text" name="mailsubject" size="35"></td>
</tr>
<tr><td><b>message</b></td>
<td>
<textarea name="mailbody" cols="50" rows="7"></textarea>
</td>
</tr>
<tr><td colspan="2">
<input type="submit" name="submit" value="send">
</td>
</tr>
</table>
</form>
</body>
</html>

然后新建一个“mail.php”文档把传输的文档进行发送

<?php 
$stm="邮件内容"; 
require("smtp.php"); 
########################################## 
$smtpserver = "smtp.qq.com";//smtp服务器 
$smtpserverport = "465";//smtp服务器端口 
$smtpusermail = "xxx@qq.com";//smtp服务器的用户邮箱 
$smtpemailto = "aaa@qq.com";//发送给谁 
$smtpuser = "xxx@qq.com";//smtp服务器的用户帐号 
$smtppass = "666";//smtp服务器的用户密码 
$mailsubject = "666 ";//邮件主题 
$mailbody = $stm;//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); 
echo "<script>alert('邮件发送成功');parent.document.adduser.cheheh.click();</script>"; 
exit; 
} 
?>

最后编写一个邮件类“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))(\.)", ".", $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) 
{ 
$domain = ereg_replace("^.+@([^@]+)$", "", $address); 
if (!@getmxrr($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); 
$address = ereg_replace("^.*<(.+)>.*$", "", $address); 
return $address; 
} 
function smtp_debug($message) 
{ 
if ($this->debug) 
{ 
//echo $message; 
} 
} 
} 
?>

总结

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