asp.net 163邮件发送

  <table id="TABLE1" runat="server" border="" cellpadding="" cellspacing="">

        <tr>

            <td style="width: 393px">

                收信:<asp:TextBox ID="TextBox1" runat="server">[email protected]</asp:TextBox><br />

                主题:<asp:TextBox ID="TextBox2" runat="server">测试主题</asp:TextBox><br />

                内容:<asp:TextBox ID="TextBox3" runat="server" Height="154px" TextMode="MultiLine"

                Width="336px">测试内容</asp:TextBox><br />

                <asp:Button ID="Button3" runat="server" onclick="Button3_Click" Text=" 发  送 " />

            </td>

        </tr>

    </table>

    </div>

    <table id="Table2" runat="server" border="" cellpadding="" cellspacing="" visible="false">

        <tr>

            <td align="center" style="width: 400px">

                <asp:Label ID="Label1" runat="server" ForeColor="Red" Text="恭喜您，发表成功!"></asp:Label><br />

                <asp:Button ID="Button2" runat="server" Text="返回" onclick="Button2_Click" />

            </td>

        </tr>

    </table> 

以上是前台代码

以下是后台代码

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

//倒入命名空间

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)

        {

            //返回，继续发送

            Response.Redirect(Request.Url.ToString());

            TABLE1.Visible = true;

            Table2.Visible = false;

        }

        protected void Button3_Click(object sender, EventArgs e)

        {

            //常用的邮箱服务器（SMTP、POP3）地址、端口

            //http://blog.sina.com.cn/s/blog_6e85b10501012kyv.html

            //smtp.163.com

            bool reVal = SendMail("smtp.163.com", , "", "", "发送邮箱地址", TextBox2.Text, TextBox3.Text, "");

            if (reVal) {

                  Label1.Text = "恭喜你！邮件发送成功。";

            }

            else

            {

                Label1.Text = "邮件发送失败，检查网络及信箱是否可用。";

            }

            TABLE1.Visible = false;

            Table2.Visible = true;

        }

        //参数说明

        /*

         * strSmtpServer:指定发送邮件服务器

         * iSmtpPort:发送邮件服务器端口

         * Password:发送邮件地址的密码

         * strFrom:发送邮件地址

         * strto:收件地址

         * strSubject:邮件标题

         * strBody:邮件内容

         */

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

        {

            //设置发件人信箱,及显示名字

            MailAddress mailFrom = new MailAddress(strFrom);

            //设置收件人信箱,及显示名字

            MailAddress mailTo = new MailAddress(strto);

            //创建一个MailMessage对象

            MailMessage oMail = new MailMessage(mailFrom, mailTo);

            try

            {

                oMail.Subject = TextBox2.Text; //邮件标题

                oMail.Body = TextBox3.Text; //邮件内容

                oMail.IsBodyHtml = true; //指定邮件格式,支持HTML格式

                oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");//邮件采用的编码

                oMail.SubjectEncoding = System.Text.Encoding.GetEncoding("GB2312");//邮件采用的编码

                oMail.Priority = MailPriority.High;//设置邮件的优先级为高

                //添加附件

                //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);

                }

                //发送邮件服务器

                SmtpClient client = new SmtpClient();

                //发送邮件服务器的smtp

                //每种邮箱都不一致

                client.Host = strSmtpServer; //指定邮件服务器

                //发送邮件服务器端口

                client.Port = iSmtpPort;

                //设置超时时间

                client.Timeout = ;

                //设置为发送认证消息

                client.UseDefaultCredentials = true;

                //指定服务器邮件,及密码

                //发邮件人的邮箱地址和密码

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

                client.Send(oMail); //发送邮件

                //释放资源

                mailFrom = null;

                mailTo = null;

                client.Dispose();//释放资源

                oMail.Dispose(); //释放资源

                return true;

            }

            catch (Exception ex)

            {

                //释放资源

                mailFrom = null;

                mailTo = null;

                oMail.Dispose(); //释放资源

                return false;

            }

        }

    }

}