PHP send email class

/***************************************************** *******************************

 Instructions for use:

 $m= new SendM('smtp server address', 'Account', 'Password', Port (int), Timeout retry time (int));

 $m->Send('Recipient Email', 'Subject', 'Email text');

 Usage example:

 $m= new SendM('smtp.yeah.net','testuser','testuserpwd',25,30);

 $m->Send('a@coolmr.com ', 'Test email', 'This is a test email for sending emails, thank you for your support');

************************ *************************************************** ***********/

class SendM{

	private $Mailhost,$Mailuser,$Mailpwd,$Mailport,$Mailtimeout,$ms,$ending = "rn",$endingc="n";

	function __construct($Mailhost,$Mailuser,$Mailpwd,$Mailport,$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"); }

	    $this->ms=@fsockopen($this->Mailhost,$this->Mailport,$this->errorno,$this->errorstr,$this->Mailtimeout);

	    if(substr(PHP_OS,0,3) != "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,0,3)!='250'){ return false; }

	    fputs($this->ms,'auth login'.$this->ending);

	    $rcp = $this->get_echo();

	    if(substr($rcp,0,3)=='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(){

		$edata=""; while($estr=@fgets($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,0,3)=='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！"); }

		}

	}

?>

发送电子邮件, PHP