@@ -0,0 +1,224 @@
+package main.homepage.mail;%0A%0Aimport main.homepage.common.Mail;%0Aimport main.homepage.common.Postfix;%0A%0Apublic class Html extends Postfix implements Mail %7B%0A    @Override%0A    public void send() %7B%0A        // HTML%E3%83%A1%E3%83%BC%E3%83%AB%E9%80%81%E4%BF%A1%E3%81%AE%E5%AE%9F%E8%A3%85%0A    %7D%0A%7D%0A

Create Html.java