using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls; namespace WebApplication1
{
public partial class Cemail : System.Web.UI.Page
{
private string sfrom = "111111@qq.com";//发送人邮箱
private string sfromer = "发送人";
private string stoer = "收件人";
private string sSMTPHost = "smtp.qq.com";//SMTP服务器
private string sSMTPuser = "111111@qq.com";//用户登录名
private string sSMTPpass = "授权码";//登陆密码-新版之后的QQ邮箱都是使用授权码,需要到邮箱-设置-账户里面找到-生成授权码-复制进来;
protected void Page_Load(object sender, EventArgs e)
{ } protected void btnSend_Click(object sender, EventArgs e)
{
string sto = txtSto.Text.Trim();
string cc = txtCC.Text.Trim();
string title = txtTitle.Text.Trim();
string content = txtContent.Text.Trim();
if (string.IsNullOrEmpty(sto) || string.IsNullOrEmpty(title) || string.IsNullOrEmpty(content))
{
Response.Write("<script>alert('收件人，标题，内容不能为空')</script>");
}
else
{
MailAddress from = new MailAddress(sfrom, sfromer);//发件人地址对象
MailAddress to = new MailAddress(sto, stoer);//收件人地址对象
MailMessage oMail = new MailMessage(from, to);
oMail.Subject = title;//设置邮件标题
oMail.Body = content;//设置邮件文本内容
oMail.IsBodyHtml = false;//设置为HTML格式
oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");//正文编码
oMail.Priority = MailPriority.High;//优先级
if (cc != "")
{
if (cc.ToLower().IndexOf(';') > )
{
cc = cc.Substring(, cc.Length - );
string[] acc = cc.Split(';');
foreach (var c in acc)
{
oMail.CC.Add(c);
}
}
else
{
oMail.CC.Add(cc);
}
}
SmtpClient client=new SmtpClient();
client.EnableSsl = true;//由于使用了授权码必须设置该属性为true
client.Host = sSMTPHost;//指定SMTP服务器
client.Credentials = new NetworkCredential(sSMTPuser, sSMTPpass);//邮箱的用户名和密码，注意使用qq邮箱时密码使用的是授权码
client.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式
try
{
client.Send(oMail);
Response.Write("<script>alert('发送成功')</script>");
}
catch
{
Response.Write("<script>alert('发送失败')</script>");
}
finally
{
oMail.Dispose();
}
}
}
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Cemail.aspx.cs" Inherits="WebApplication1.Cemail" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr>
<td>收件人邮箱</td>
<td>
<asp:TextBox ID="txtSto" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>抄送</td>
<td>
<asp:TextBox ID="txtCC" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>标题</td>
<td>
<asp:TextBox ID="txtTitle" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>内容</td>
<td>
<asp:TextBox ID="txtContent" runat="server" Height="136px" TextMode="MultiLine" Width="254px"></asp:TextBox></td>
</tr>
<tr>
<td>
<asp:Button ID="Button1" runat="server" Text="重置" /></td> <td>
<asp:Button ID="btnSend" runat="server" Text="提交" OnClick="btnSend_Click" /></td>
</tr>
</table>
</div>
</form>
</body>
</html>
qq邮箱设置教程
----到这里就ok了，其实主要和像sohu之类邮箱发送邮件不同的是
一：在代码里面设置SmtpClient的EnableSsl属性为true
二：设置QQ邮箱账户中的POP3/SMTP服务，另外密码也是要使用授权码