asp.net邮件群发

  • 发表时间：2021-08-23 00:03:34

因为要用到邮件群发所以研究了一下，现在拿出来与大家分享(缺点:有数量限制，如果数量大的话需要自己架设smtp服务器)

aspx界面

<%@ Page Language=”C#” AutoEventWireup=”true” CodeBehind=”SendMail.aspx.cs” Inherits=”WebApplication1._Default” Async=”true”%>

 

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>

<html xmlns=”http://www.w3.org/1999/xhtml” ><head runat=”server”><title>发送邮件</title></head><body><form id=”form1″ runat=”server”>            <asp:TextBox ID=”TextBox1″ runat=”server”></asp:TextBox>        <asp:Button ID=”Button1″ runat=”server” onclick=”Button1_Click” Text=”Button” /></form></body></html>

.cs界面

using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;using System.Net.Mail;

 

namespace WebApplication1{    public partial class _Default : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {            if (!IsPostBack)            {

            }        }        public void SendEmail()        {            string from = “palmenzweig@163.com”;   //发送方邮箱            MailMessage newEmail = new MailMessage();

            #region 发送方邮件            newEmail.From = new MailAddress(from, from);            #endregion

            #region 发送对象，可群发            newEmail.To.Add(new MailAddress(“644639751@qq.com”));  //接收方邮箱一            //newEmail.To.Add(new MailAddress(“palmenzweig@yeah.net”));  //接收方邮箱二            //newEmail.To.Add(new MailAddress(“zimoqinghe@163.com”));            //newEmail.To.Add(new MailAddress(“julyqianzimo@qq.com”));            //newEmail.To.Add(new MailAddress(“zimoqinghe@qq.com”));            //newEmail.To.Add(new MailAddress(“ws_788@163.com “));            //newEmail.To.Add(new MailAddress(“wangsen619@qq.com”));            //newEmail.To.Add(new MailAddress(“Engle_love@163.com”));            #endregion

            #region Subject            newEmail.Subject = TextBox1.Text;  //标题            #endregion

            #region Body            string strBody = “<p><b>邮件群发测试,邮件测试内容</b></p>”; //html格式，也可以是普通文本格式             newEmail.Body = strBody;  //内容            #endregion

            #region 上传附件            // Attachment MsgAttach = new Attachment(this.FileUpload1.PostedFile.FileName);//可通过一个FileUpload地址获取附件地址            //newEmail.Attachments.Add(MsgAttach);            #endregion

            #region Deployment            newEmail.IsBodyHtml = true;                //是否支持html            newEmail.Priority = MailPriority.High;  //优先级            #endregion

            //发送方服务器信息            SmtpClient smtpClient = new SmtpClient();            smtpClient.UseDefaultCredentials = true;            smtpClient.Credentials = new System.Net.NetworkCredential(“palmenzweig@163.com”, “zhoukeqiangcxh”);            smtpClient.Host = “smtp.163.com”; //主机

            //smtpClient.Send(newEmail);   //同步发送,程序将被阻塞

            #region 异步发送, 会进入回调函数SendCompletedCallback，来判断发送是否成功            smtpClient.SendCompleted += new SendCompletedEventHandler(SendCompletedCallback);//回调函数            string userState = “测试”;            smtpClient.SendAsync(newEmail, userState);            #endregion

        }

        private static void SendCompletedCallback(object sender, System.ComponentModel.AsyncCompletedEventArgs e)        {            if (e.Cancelled)  //邮件发送被取消            {                Console.WriteLine(“发送被取消!”);            }            if (e.Error != null)   //邮件发送失败            {                Console.WriteLine(“发送失败！”);            }            else   //发送成功            {                Console.WriteLine(“发送成功！”);            }        }

        protected void Button1_Click(object sender, EventArgs e)        {            SendEmail();

        }    }}

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