PHP发送电子邮件类

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<?php
/***********************************************************************************
   
   使用说明：
   
      $m= new SendM('smtp服务器地址','账号','密码',端口(int),超时重试时间(int)); 

      $m->Send('收件人邮箱 ','主题','邮件正文内容');
   
   使用范例：
   
      $m= new SendM('smtp.yeah.net','testuser','testuserpwd',25,30); 

      $m->Send('[emailprotected] ','测试邮件','这是一封邮件发送类的测试邮件，谢谢您的支持');
   
*************************************************************************************/

class SendM{
	
	private $Mailhost,$Mailuser,$Mailpwd,$Mailport,$Mailtimeout,$ms,$ending = "rn",$endingc="n";
	
	function __construct($Mailhost,$Mailtimeout){
		
		$this->Mailhost=$Mailhost;
		
		$this->Mailuser=$Mailuser;
		
		$this->Mailpwd=$Mailpwd;
		
		$this->Mailport=$Mailport;
		
		$this->Mailtimeout=$Mailtimeout;
		
	    $this->ConnectSmtpServer();
		
		}
	
    private function ConnectSmtpServer(){
		   
	   if(!is_string($this->Mailhost)){ settype(trim($this->Mailhost),"string"); }
	   
	   if(!is_integer($this->Mailport)){ settype(trim($this->Mailport),"integer"); }
	   
	   if(!is_integer($this->Mailtimeout)){ settype(trim($this->Mailtimeout),"integer"); }
     
	    $this->[emailprotected]($this->Mailhost,$this->Mailport,$this->errorno,$this->errorstr,$this->Mailtimeout); 
	 
	    if(substr(PHP_OS,3) != "WIN"){ stream_set_timeout($this->ms,$this->Mailtimeout,0);}
	 
	    $rcp = $this->get_echo();
	 
	    fputs($this->ms,"ehlo bobo".$this->ending);
	  
	    $rcp = $this->get_echo();
		
		if(substr($rcp,3)!='250'){ return false; }
	    
	    fputs($this->ms,'auth login'.$this->ending);
	   
	    $rcp = $this->get_echo();     
	  
	    if(substr($rcp,3)=='334'){ $this->Auth($this->Mailuser,$this->Mailpwd); }else{ return false; } } 
	   
	private function Auth($Mailuser,$Mailpwd){ 
		   
	   $this->Mailuseren=base64_encode($Mailuser); $this->Mailpwden=base64_encode($Mailpwd); 
		   
	   fputs($this->ms,$this->Mailuseren.$this->ending);
	   
	   $rcp = $this->get_echo();   
	  
	   fputs($this->ms,$this->Mailpwden.$this->ending);
	   
	   $rcp = $this->get_echo();  }
	   
	private function get_echo(){
			
		$edata=""; while([emailprotected]($this->ms,600)){ $edata .= $estr;
			  
		if(substr($estr,3,1) == " ") { break; }  }
		
		return $edata; }
		
	public function Send($to,$subject,$connect){
			
		$host=explode('.',$this->Mailhost);
			
		$fromaddress=$this->Mailuser.'@'.$host[1].'.'.$host[2];	
		
		fputs($this->ms,'mail from:<'.$fromaddress.'>'.$this->ending);
	   
	    $rcp = $this->get_echo();  
			 
		fputs($this->ms,'rcpt to:<'.$to.'>'.$this->ending);
	   
	    $rcp = $this->get_echo();   
			 
		fputs($this->ms,'data'.$this->ending);
	   
	    $rcp = $this->get_echo();   
			 
		fputs($this->ms,"to:$to".$this->endingc);
	   
		fputs($this->ms,"from:$fromaddress".$this->endingc);
		
		fputs($this->ms,"subject:$subject".$this->endingc.$this->endingc);
	   
		fputs($this->ms,"$connect".$this->endingc);
	   
		fputs($this->ms,'.'.$this->ending);

	    $rcp = $this->get_echo(); if(substr($rcp,3)=='250'){header("Location:main_pro.php?act=msg&errors=on&msg=邮件发送成功！已成功提交至对方服务器！"); }else{ header("Location:main_pro.php?act=msg&errors=on&msg=很遗憾，邮件发送失败了！请检查邮件账户配置是否正确！"); }
				
		}		

	}

?>

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