Asp.NEt邮箱验证修改密码通过邮箱找回密码功能

<input type="text" name="Mail" id="Mail"/>     <span>*请输入邮箱</span><br/>     <asp:Button ID="zhuce" runat="server" Text="tijiao" OnClick="btn" />

protected void btn(object sender, EventArgs e)    {      string mail = Context.Request["Mail"];      MailMessage message = new MailMessage();      message.From = new MailAddress("######", "#####");//发件人地址      message.To.Add(mail);//目标发件地址      message.Subject = "dssdds";//邮件标题      message.Body = "nihao";//邮件内容      //发送邮件的smtp服务器地址      SmtpClient smtp = new SmtpClient("smtp.163.com");      smtp.Credentials = new NetworkCredential("#########", "######");//发件人的用户名和密码      smtp.Send(message);    }