网上貌似没有相关代码，看到sf发的EDM邮件，不知道是用什么相关原理做的，感觉没有思路
使用php自带的mail，直接变成了html的代码
解决方案
php手册里有发送HTML邮件的例子：
<?php// multiple recipients$to = 'aidan@example.com' . ', '; // note the comma$to .= 'wez@example.com';// subject$subject = 'Birthday Reminders for August';// message$message = '<html><head> <title>Birthday Reminders for August</title></head><body> <p>Here are the birthdays upcoming in August!</p> <table> <tr> <th>Person</th><th>Day</th><th>Month</th><th>Year</th> </tr> <tr> <td>Joe</td><td>3rd</td><td>August</td><td>1970</td> </tr> <tr> <td>Sally</td><td>17th</td><td>August</td><td>1973</td> </tr> </table></body></html>';// To send HTML mail, the Content-type header must be set$headers = 'MIME-Version: 1.0' . "\r\n";$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";// Additional headers$headers .= 'To: Mary <mary@example.com>, Kelly <kelly@example.com>' . "\r\n";$headers .= 'From: Birthday Reminder <birthday@example.com>' . "\r\n";$headers .= 'Cc: birthdayarchive@example.com' . "\r\n";$headers .= 'Bcc: birthdaycheck@example.com' . "\r\n";// Mail itmail($to, $subject, $message, $headers);?>