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PHP在线邮件发送类,通过SMTP来发送

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WBOYOriginal
2016-06-21 08:59:161278browse

 
/*
 * 邮件发送类
 * 作    者:多菜鸟
 * 联系邮箱:kingerq AT msn DOT com
 * 创建时间:2005-08-19
 * 注明:此类为改装过来的,忘记出处了
 */
class smail {
 //您的SMTP 服务器供应商,可以是域名或IP地址
 var $smtp = "smtp.163.com";
 //SMTP需要要身份验证设值为 1 不需要身份验证值为 0,现在大多数的SMTP服务商都要验证,如不清楚请与你的smtp 服务商联系。
 var $check = 1;
 //您的email帐号名称
 var $username = "";
 //您的email密码
 var $password = "";
 //此email 必需是发信服务器上的email
 var $s_from = "";
 
 /*
  * 功能:发信初始化设置
  * $from      你的发信服务器上的邮箱
  * $password  你的邮箱密码
  * $smtp      您的SMTP 服务器供应商,可以是域名或IP地址
  * $check     SMTP需要要身份验证设值为 1 不需要身份验证值为 0,现在大多数的SMTP服务商都要验证
  */
 function smail ( $from, $password, $smtp, $check = 1 ) {
  if( preg_match("/^[^\d\-_][\w\-]*[^\-_]@[^\-][a-zA-Z\d\-]+[^\-](\.[^\-][a-zA-Z\d\-]*[^\-])*\.[a-zA-Z]{2,3}/", $from ) ) {
   $this->username = substr( $from, 0, strpos( $from , "@" ) );
   $this->password = $password;
   $this->smtp = $smtp ? $smtp : $this->smtp;
   $this->check = $check;
   $this->s_from = $from;
  }
 }
 
 /*
  * 功能:发送邮件
  * $to   目标邮箱
  * $from 来源邮箱
  * $subject 邮件标题
  * $message 邮件内容
  */
 function send ( $to, $from, $subject, $message ) {
 
  //连接服务器
  $fp = fsockopen ( $this->smtp, 25, $errno, $errstr, 60);
  if (!$fp ) return "联接服务器失败".__LINE__;
  set_socket_blocking($fp, true );
 
  $lastmessage=fgets($fp,512);
  if ( substr($lastmessage,0,3) != 220 ) return "错误信息:".$lastmessage.__LINE__;
 
  //HELO
  $yourname = "YOURNAME";
  if($this->check == "1") $lastact="EHLO ".$yourname."\r\n";
  else $lastact="HELO ".$yourname."\r\n";
 
  fputs($fp, $lastact);
  $lastmessage == fgets($fp,512);
  if (substr($lastmessage,0,3) != 220 ) return "错误信息$lastmessage".__LINE__;
  while (true) {
   $lastmessage = fgets($fp,512);
   if ( (substr($lastmessage,3,1) != "-")  or  (empty($lastmessage)) )
    break;
  }
 
   
  //身份验证
  if ($this->check=="1") {
   //验证开始
   $lastact="AUTH LOGIN"."\r\n";
   fputs( $fp, $lastact);
   $lastmessage = fgets ($fp,512);
   if (substr($lastmessage,0,3) != 334) return "错误信息$lastmessage".__LINE__;
   //用户姓名
   $lastact=base64_encode($this->username)."\r\n";
   fputs( $fp, $lastact);
   $lastmessage = fgets ($fp,512);
   if (substr($lastmessage,0,3) != 334) return "错误信息$lastmessage".__LINE__;
   //用户密码
   $lastact=base64_encode($this->password)."\r\n";
   fputs( $fp, $lastact);
   $lastmessage = fgets ($fp,512);
   if (substr($lastmessage,0,3) != "235") return "错误信息$lastmessage".__LINE__;
  }
 
  //FROM:
  $lastact="MAIL FROM: ". $this->s_from . "\r\n";
  fputs( $fp, $lastact);
  $lastmessage = fgets ($fp,512);
  if (substr($lastmessage,0,3) != 250) return "错误信息$lastmessage".__LINE__;
 
  //TO:
  $lastact="RCPT TO: $to" . "\r\n";
  fputs( $fp, $lastact);
  $lastmessage = fgets ($fp,512);
  if (substr($lastmessage,0,3) != 250) return "错误信息$lastmessage".__LINE__;
  
  //DATA
  $lastact="DATA\r\n";
  fputs($fp, $lastact);
  $lastmessage = fgets ($fp,512);
  if (substr($lastmessage,0,3) != 354) return "错误信息$lastmessage".__LINE__;
 
  
  //处理Subject头
  $head="Subject: $subject\r\n";
  $message = $head."\r\n".$message;
  
 
  //处理From头
  $head="From: $from\r\n";
  $message = $head.$message;
  
  //处理To头
  $head="To: $to\r\n";
  $message = $head.$message;
  
 
  //加上结束串
  $message .= "\r\n.\r\n";
 
  //发送信息
  fputs($fp, $message);
  $lastact="QUIT\r\n";
 
  fputs($fp,$lastace);
  fclose($fp);
  return 0;
 }
}
/*发送示例
$sm = new smail( "用户名@163.com", "密码", "smtp.163.com" );
$end = $sm->send( "目标邮箱", "来源邮箱", "这是标题", "这是邮件内容" );
if( $end ) echo $end;
else echo "发送成功!";
*/
?>



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