Related explanations about PHPMailer - PHP email transport class

sudo apt-get install sendmail

sudo /etc/init.d/sendmail start

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

<?php
/* 调用PHPMailer发送电邮
* @param  String  $receiver     收件人
* @param  String  $sender       发件人
* @param  String  $sender_name  发件人名称如为空则用发件人地址代替
* @param  String  $subject      邮件主题
* @param  String  $content      邮件内容
* @param  boolean $ishtml       是否html电邮
* @param  Array   $attachements 附件
* @return boolean
*/
function sendMail($receiver, $sender, $sender_name, $subject, $content, $ishtml=true, $attachments=array()) {
	include_once "class-phpmailer.php"; 
	if(empty($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
	//$mail->SMTPSecure = &#39;ssl&#39;;      // 加密方式
	//$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[&#39;path&#39;])){
					array_push($send_attachments, $attachments);					
				}else{
					foreach($attachments as $attachment){
						array_push($send_attachments, array(&#39;path&#39;=>$attachment));
					}
				}
			}else{
				$send_attachments = $attachments;
			}
			foreach($send_attachments as $attachment){
				$attachment[&#39;name&#39;] = isset($attachment[&#39;name&#39;])? $attachment[&#39;name&#39;] : null;
				$attachment[&#39;encoding&#39;] = isset($attachment[&#39;encoding&#39;])? $attachment[&#39;encoding&#39;] : &#39;base64&#39;;
				$attachment[&#39;type&#39;] = isset($attachment[&#39;type&#39;])? $attachment[&#39;type&#39;] : &#39;application/octet-stream&#39;;
				if(isset($attachment[&#39;path&#39;]) && file_exists($attachment[&#39;path&#39;])){
					$mail->AddAttachment($attachment[&#39;path&#39;],$attachment[&#39;name&#39;],$attachment[&#39;encoding&#39;],$attachment[&#39;type&#39;]);
				}
			}
		}elseif(is_string($attachments)){
			if(file_exists($attachments)){
				$mail->AddAttachment($attachments);
			}
		}
	}
	$mail->Subject  = $subject;	// 邮件标题
	$mail->Body     = $content;	// 邮件內容
	return $mail->Send();  
}
// DEMO
$receiver = &#39;receiver@test.com&#39;;
$sender = &#39;sender@test.com&#39;;
$sender_name = &#39;sender name&#39;;
$subject = &#39;subjecct&#39;;
$content = &#39;content&#39;;
// 四種格式都可以
$attachments = &#39;attachment1.jpg&#39;;
$attachments = array(&#39;path&#39;=>&#39;attachment1.jpg&#39;, &#39;name&#39;=>&#39;附件1.jpg&#39;);
$attachments = array(&#39;attachment1.jpg&#39;,&#39;attachment2.jpg&#39;,&#39;attachment3.jpg&#39;);
$attachments = array(
	array(&#39;path&#39;=>&#39;attachment1.jpg&#39;, &#39;name&#39;=>&#39;附件1.jpg&#39;),
	array(&#39;path&#39;=>&#39;attachment2.jpg&#39;, &#39;name&#39;=>&#39;附件2.jpg&#39;),
	array(&#39;path&#39;=>&#39;attachment3.jpg&#39;, &#39;name&#39;=>&#39;附件3.jpg&#39;),
);
$flag = sendMail($receiver, $sender, $sender_name, $subject, $content, true, $attachments);
echo $flag;
?>