sudo apt-get install sendmail 

sudo /etc/init.d/sendmail start 

[mail function] 
SMTP = localhost 
smtp_port = 25 
sendmail_from = me@example.com 

<"class-phpmailer.php";  
 
  if(empty($receiver) || empty($sender) || empty($subject) || empty($content)){ 
    return false; 
  } 
   
  $mail = new PHPMailer();  
 
  //$mail->IsSMTP();        // 经smtp发送  
  //$mail->Host = "smtp.gmail.com"; // SMTP 服务器 
  //$mail->Port = 465;       // SMTP 端口 
  //$mail->SMTPSecure = 'ssl';   // 加密方式 
  //$mail->SMTPAuth = true;     // 打开SMTP认证 
  //$mail->Username = "username";  // 用户名 
  //$mail->Password = "password";  // 密码 
 
  $mail->IsMail();         // using PHP mail() function 有可能會出現這封郵件可能不是由以下使用者所傳送的提示 
       
  $mail->From = $sender;      // 发信人  
  $mail->FromName = $sender_name;  // 发信人别名  
  $mail->AddReplyTo($sender);    // 回覆人 
  $mail->AddAddress($receiver);   // 收信人  
 
  // 以html方式发送 
  if($ishtml){ 
    $mail->IsHTML(true); 
  } 
 
  // 发送附件 
  if($attachments){ 
    if(is_array($attachments)){ 
      $send_attachments = array(); 
 
      $tmp_attachments = array_slice($attachments,0,1); 
      if(!is_array(array_pop($tmp_attachments))){ 
        if(isset($attachments['path'])){ 
          array_push($send_attachments, $attachments);           
        }else{ 
          foreach($attachments as $attachment){ 
            array_push($send_attachments, array('path'=>$attachment)); 
          } 
        } 
      }else{ 
        $send_attachments = $attachments; 
      } 
 
      foreach($send_attachments as $attachment){ 
        $attachment['name'] = isset($attachment['name'])"_blank" href="http://xiazai.jb51.net/201409/yuanma/phpmailer(jb51.net).rar">本站下载。

希望本文所述对大家PHP程序设计的学习有所帮助。