ASP.NET——邮件发送

来源：互联网发布：c语言转义字符有哪些编辑：程序博客网时间：2024/06/08 04:52

一个简单的邮件发送程序，可以实现异步给多个地址发送邮件。

SendMail.cs

using System;using System.Text;using System.Net;using System.Net.Mail;using System.Net.Mime;using System.ComponentModel;namespace ASP.net{ public class SendMail { private MailMessage mailMessage; private SmtpClient smtpClient; private string password; private static bool mailSent = false; //获取异步发送状态 public static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e) { if (e.Cancelled) { mailSent = false; } if (e.Error != null) { mailSent = false; } else { mailSent = true; } } /// <summary> /// 发送邮件 /// </summary> /// <param name="To">收件人地址，多个地址时以分号隔开</param> /// <param name="From">发件人地址</param> /// <param name="Body">邮件正文</param> /// <param name="Title">邮件主题</param> /// <param name="Password">发件人密码</param> /// <returns>发送是否成功</returns> public bool Sendmail(string to, string from, string body, string title, string password) { string[] mailNames = to.Split(';'); try { foreach (string name in mailNames) { if (name != string.Empty) { this.password = password; mailMessage = new MailMessage(); mailMessage.To.Add(name); mailMessage.From = new System.Net.Mail.MailAddress(from); mailMessage.Subject = title; mailMessage.Body = body; mailMessage.IsBodyHtml = true; mailMessage.BodyEncoding = System.Text.Encoding.UTF8; mailMessage.Priority = System.Net.Mail.MailPriority.Normal; smtpClient = new SmtpClient(); smtpClient.Credentials = new System.Net.NetworkCredential(mailMessage.From.Address, password);//设置发件人身份的票据 smtpClient.SendCompleted += new SendCompletedEventHandler(SendCompletedCallback);//异步发送完成获取发送状态 smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; smtpClient.Host = "smtp." + mailMessage.From.Host;//邮件发送服务器 smtpClient.SendAsync(mailMessage, "OK");//异步发送邮件 } } } catch { return false; } return true; } }}

WebForm1.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="ASP.net.WebForm1" 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></title></head><body> <form id="form1" runat="server"> <div> 收信人地址:<asp:TextBox ID="txtEmailAddress" runat="server" Width="380px"></asp:TextBox><br /> <br /> <asp:Button ID="btnSendMail" runat="server" Text="发送邮件" OnClick="btnSendMail_Click" /> </div> </form></body></html>

WebForm1.aspx.cs

using System;using System.Web;using System.Net.Mail;using System.Net;namespace ASP.net{ public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void btnSendMail_Click(object sender, EventArgs e) { SendMail sm = new SendMail(); try { bool flag = sm.Sendmail(txtEmailAddress.Text.Trim(), "244706194@qq.com", "邮件正文", "邮件标题", "your_password"); if (flag) { ClientScript.RegisterStartupScript(Page.GetType(), "", "<mce:script type="text/javascript"></mce:script>"); } else { ClientScript.RegisterStartupScript(Page.GetType(), "", "<mce:script type="text/javascript"></mce:script>"); } } catch (Exception ee) { Response.Write(ee.Message); } } }}

发送邮件的邮箱需要开启POP3/SMTP服务和开启IMAP/SMTP服务，这样就可以发送成功，但是假如使用代理上网的话是没办法发送成功的，有哪位大大解决了代理发送邮件的话谢谢留言给我！