asp.net+jmail发送邮件

开发工具vs2003,我已经在工程里面添加了Jmail组件
代码如下:
------------------------
using System;
using System.Web.Mail;
using System.Web.Util;    
using jmail;  

--------------以下是发送代码--------
                        jmail.Message Jmail=new jmail.MessageClass();
         Jmail.Silent=true;
         Jmail.Logging=true;
         Jmail.Charset="gb2312";
         Jmail.ContentType="text/html";
         Jmail.AddRecipient("hxlo@126.com","","");
         Jmail.From="xxxx@163.com";
         Jmail.MailServerUserName="hxjlo" ;
         Jmail.MailServerPassWord="******" ;
         Jmail.Subject="总是失败";
         Jmail.Body="邮件内容,郁闷!";
         Jmail.Send("smpt.163.com",false);
         Jmail.Close() ;