// 引入 phpmailer.php
require_once(EMLOG_ROOT.'/content/plugins/kl_sendmail/PHPMailer.php');
// kl_sendmail_do 函数 中将发送邮件代码删除
$mail = new KL_SENDMAIL_PHPMailer();
$mail->CharSet = "UTF-8";
$mail->Encoding = "base64";
$mail->Port = $port;
if(KL_MAIL_SENDTYPE == 1)
{
  $mail->IsSMTP();
}else{
  $mail->IsMail();
}
$mail->Host = $mailserver;
$mail->SMTPAuth = true;
$mail->Username = $mailuser;
$mail->Password = $mailpass;
$mail->From = $mailuser;
$mail->FromName = $fromname;
$mail->AddAddress($mailto);
$mail->WordWrap = 500;
$mail->IsHTML(true);
$mail->Subject = $subject;
$mail->Body = $content;
$mail->AltBody = "This is the body in plain text for non-HTML mail clients";
if($mail->Host == 'smtp.qq.com') $mail->SMTPSecure = "ssl";
if(!$mail->Send())
{
  echo $mail->ErrorInfo;
  return false;
}else{
  return true;
} 
// 添加
$mail = array(
  "subject"=>$subject,
  "body"=>array(
    'content'=>$content,
  )
);
$test = new SendMaill(
  $mailserver,
  $port,
  $mailuser,
  $mailpass,
  false,
  false
);
$test->sendMail($mailto, $mail, true)