有两种方法可以做到这一点.一种方法是自己完成，这并不复杂.

There are a couple of ways to do it. One way is to simply do it yourself, it's not that complicated.

否则，您可能想看看Mailparse库:

Otherwise, you might want to have a look at the Mailparse library:

http://php.net/manual/en/book.mailparse.php

还有一个:

http://code.google.com/p/php-mime -mail-parser/