ASP.NET 邮件发送

1. 前台页面 SendEmail.aspx 代码
   
   
   

    1     <h2>
    2         发送电子邮件演示
    3     </h2>
    4     <table cellpadding="0" cellspacing="0" border="0" style="font-family: 宋体, Arial, Helvetica, sans-serif;
    5         font-size: 15px; width: 411px;">
    6         <tr>
    7             <td class="style5">
    8                 邮箱地址：
    9             </td>
   10             <td class="style6">
   11                 <asp:TextBox ID="tb_Email" runat="server" Width="269px"></asp:TextBox>
   12             </td>
   13         </tr>
   14         <tr>
   15             <td class="style5">
   16                 抄送至：
   17             </td>
   18             <td class="style6">
   19                 <asp:TextBox ID="tb_cc" runat="server" Width="268px"></asp:TextBox>
   20             </td>
   21         </tr>
   22         <tr>
   23             <td class="style5">
   24                 邮件主题：
   25             </td>
   26             <td class="style6">
   27                 <asp:TextBox ID="tb_Subject" runat="server" Width="268px"></asp:TextBox>
   28             </td>
   29         </tr>
   30         <tr>
   31             <td class="style5">
   32                 邮件内容：
   33             </td>
   34             <td class="style6">
   35                 <asp:TextBox ID="tb_Body" runat="server" Height="63px" TextMode="MultiLine" Width="266px"></asp:TextBox>
   36             </td>
   37         </tr>
   38         <tr>
   39             <td class="style5">
   40                 添加附件：
   41             </td>
   42             <td class="style6">
   43                 <asp:FileUpload ID="tb_Attachment" runat="server" Width="265px" />
   44             </td>
   45         </tr>
   46         <tr>
   47             <td align="right" colspan="2">
   48                 <asp:Button ID="btn_SendEmail" runat="server" Text="发送邮件" OnClick="btn_SendEmail_Click" />
   49             </td>
   50         </tr>
   51     </table>

   
   
2. 后台SendEmail.aspx.cs代码
   
   
   

    1 protected void btn_SendEmail_Click(object sender, EventArgs e)
    2         {
    3             //声明一个Mail对象
    4             MailMessage mymail = new MailMessage();
    5             //发件人地址
    6 //如是自己，在此输入自己的邮箱
    7             mymail.From = new MailAddress("[e-mail]");
    8             //收件人地址
    9             mymail.To.Add(new MailAddress(tb_Email.Text));
   10             //邮件主题
   11             mymail.Subject = tb_Subject.Text;
   12             //邮件标题编码
   13             mymail.SubjectEncoding = System.Text.Encoding.UTF8;
   14             //发送邮件的内容
   15             mymail.Body = tb_Body.Text;
   16             //邮件内容编码
   17             mymail.BodyEncoding = System.Text.Encoding.UTF8;
   18             //添加附件
   19             Attachment myfiles = new Attachment(tb_Attachment.PostedFile.FileName);
   20             mymail.Attachments.Add(myfiles);
   21             //抄送到其他邮箱
   22             mymail.CC.Add(new MailAddress(tb_cc.Text));
   23             //是否是HTML邮件
   24             mymail.IsBodyHtml = true;
   25             //邮件优先级
   26             mymail.Priority = MailPriority.High;
   27             //创建一个邮件服务器类
   28             SmtpClient myclient = new SmtpClient();
   29             myclient.Host = "SMTP.163.com"; 
   30             //SMTP服务端口
   31             myclient.Port = 25;
   32             //验证登录
   33             myclient.Credentials = new NetworkCredential("@@@@@@", "*****");//"@"输入有效的邮件名, "*"输入有效的密码
   34             myclient.Send(mymail);
   35         }