asp.Net 163メール送信

  <table id="TABLE1" runat="server" border="0" cellpadding="0" cellspacing="0"> 
        <tr> 
            <td style="width: 393px"> 
                  :<asp:TextBox ID="TextBox1" runat="server">kally32@163.com</asp:TextBox><br /> 
                  :<asp:TextBox ID="TextBox2" runat="server">    </asp:TextBox><br /> 
                  :<asp:TextBox ID="TextBox3" runat="server" Height="154px" TextMode="MultiLine" 
                Width="336px">    </asp:TextBox><br /> 
                <asp:Button ID="Button3" runat="server" onclick="Button3_Click" Text="      " />
            </td> 
        </tr> 
    </table> 

    </div> 
    <table id="Table2" runat="server" border="0" cellpadding="0" cellspacing="0" visible="false"> 
        <tr> 
            <td align="center" style="width: 400px"> 
                <asp:Label ID="Label1" runat="server" ForeColor="Red" Text="   ，    !"></asp:Label><br /> 
                <asp:Button ID="Button2" runat="server" Text="  " onclick="Button2_Click" />
            </td> 
        </tr> 
    </table> 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

//       
using System.Net;
using System.Net.Mail;


namespace WebTestMail
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            //  ，     
            Response.Redirect(Request.Url.ToString());
            TABLE1.Visible = true;
            Table2.Visible = false;
        }

        protected void Button3_Click(object sender, EventArgs e)
        {
            //        （SMTP、POP3）  、  
            //http://blog.sina.com.cn/s/blog_6e85b10501012kyv.html
            //smtp.163.com
            bool reVal = SendMail("smtp.163.com", 25, "", "", "      ", TextBox2.Text, TextBox3.Text, "");
            if (reVal) { 

                  Label1.Text = "   ！      。";
            }
            else 
            {
                Label1.Text = "      ，           。";
            }


            TABLE1.Visible = false;
            Table2.Visible = true;
        }

        //    
        /*
         * strSmtpServer:          
         * iSmtpPort:         
         * Password:         
         * strFrom:      
         * strto:    
         * strSubject:     
         * strBody:    
         */
        public bool SendMail(string strSmtpServer, int iSmtpPort, string Password, string strFrom, string strto, string strSubject, string strBody, string strFileName)
        {

            //       ,      
            MailAddress mailFrom = new MailAddress(strFrom);

            //       ,      
            MailAddress mailTo = new MailAddress(strto);

            //    MailMessage   
            MailMessage oMail = new MailMessage(mailFrom, mailTo);

            try
            {

                oMail.Subject = TextBox2.Text; //     
                oMail.Body = TextBox3.Text; //     

                oMail.IsBodyHtml = true; //      ,  HTML   
                oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");//        
                oMail.SubjectEncoding = System.Text.Encoding.GetEncoding("GB2312");//        
                oMail.Priority = MailPriority.High;//           

                //    
                //System.Web.Mail.MailAttachment mailAttachment=new System.Web.Mail.MailAttachment(@"f:/baihe.txt"); 
                if (strFileName != "" && strFileName != null)
                {
                    Attachment data = new Attachment(strFileName);
                    oMail.Attachments.Add(data);
                }

                //        
                SmtpClient client = new SmtpClient();

                //        smtp
                //        
                client.Host = strSmtpServer; //        

                //         
                client.Port = iSmtpPort;

                //       
                client.Timeout = 9999;

                //         
                client.UseDefaultCredentials = true;

                //       ,    
                //            
                client.Credentials = new NetworkCredential(strFrom, Password);

                client.Send(oMail); //     

                //    
                mailFrom = null;

                mailTo = null;

                client.Dispose();//    

                oMail.Dispose(); //     

                return true;
            }
            catch (Exception ex)
            {
                //    
                mailFrom = null;

                mailTo = null;

                oMail.Dispose(); //     

                return false;
            }
        }


    }
}