Sending emails using PHPMail class

function send_mail ($title,$content,$from,$to,$charset='gbk',$attachment ='')
{
 include '/class/PHPMail.class.php'; //Baidu Double click
 header('Content-Type: text/html; charset='.$charset);
 $mail = new PHPMailer();
 $mail->CharSet = $charset; //Set to use gb2312 Chinese encoding
 $mail->IsSMTP(); //Set to use SMTP to send emails
 $mail->Host = "smtp.qq.com"; //Set the address of the mail server
 $mail->Port = 25; //Set the port of the mail server, the default is 25
 $mail->From = $from; //Set the sender's email address
 $mail->FromName = ""; //Set the sender's name
 $mail->SMTPAuth = true; //Set whether SMTP requires password verification, true means it is required
 $mail->Username = $from; //Set the email address for sending emails
 $mail->Password = "" ; //Set the email password
 $mail->Subject = $title; //Set the email title
 $mail->AltBody = "text/html"; // optional, comment out and test
 $mail- >Body = $content; //Set the email content
 $mail->IsHTML(true); //Set whether the content is html type
 $mail->WordWrap = 50; //Set the number of characters per line
 $mail->AddReplyTo("10000@qq.com","China's Strongest Voice"); //Set the address of the reply recipient
 $mail->AddAddress($to,"China's Strongest Voice" ); //Set the recipient's address
 if ($attachment != '') //Set the attachment
 {
 $mail->AddAttachment($attachment, $attachment);
 }
 if(!$mail-> ;Send())
 {
 return false;
 } else {
 return true;
 }

Send email, PHPMail