PHP uses phpmailer to send emails, phpmailer sends emails_PHP tutorial

include("class.phpmailer.php");
include("class.smtp.php");
//获取一个外部文件的内容
$mail       = new PHPMailer();
$body       = file_get_contents('contents.html');
$body       = eregi_replace("[\]",'',$body);
//设置smtp参数
$mail->IsSMTP();
$mail->SMTPAuth  = true;
$mail->SMTPKeepAlive = true;
$mail->SMTPSecure = "ssl";
$mail->Host    = "smtp.gmail.com";
$mail->Port    = 465;
//填写你的gmail账号和密码
$mail->Username  = "yourname@gmail.com";
$mail->Password  = "password";
//设置发送方，最好不要伪造地址
$mail->From    = "yourname@gmail.com";
$mail->FromName  = "Webmaster";
$mail->Subject  = "This is the subject";
$mail->AltBody  = $body;
$mail->WordWrap  = 50; // set word wrap
$mail->MsgHTML($body);
//设置回复地址
$mail->AddReplyTo("yourname@gmail.com","Webmaster");
//添加附件，此处附件与脚本位于相同目录下
//否则填写完整路径
$mail->AddAttachment("attachment.jpg");
$mail->AddAttachment("attachment.zip");
//设置邮件接收方的邮箱和姓名
$mail->AddAddress("toname@gmail.com","FirstName LastName");
//使用HTML格式发送邮件
$mail->IsHTML(true);
//通过Send方法发送邮件
//根据发送结果做相应处理
if(!$mail->Send()) {
 echo "Mailer Error: " . $mail->ErrorInfo;
} else {
 echo "Message has been sent";
}

//设置smtp参数
//注意这里不需要ssl协议
$mail->IsSMTP();
$mail->SMTPAuth  = true;
$mail->SMTPKeepAlive = true;
$mail->Host    = "smtp.163.com";
$mail->Port    = 25;