简单的客户端邮件发送系统（winform版）

最新推荐文章于 2024-09-26 10:24:08 发布

Dlinlin

最新推荐文章于 2024-09-26 10:24:08 发布

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本文链接：https://blog.youkuaiyun.com/linlin2294592017/article/details/8464717

这是一个C# WinForm应用示例，用于创建一个简单的客户端邮件发送系统。程序通过MailMessage和SmtpClient类设置邮件内容、收件人、主题和附件，并使用163邮箱作为发件服务器进行发送。用户可以输入邮件正文、标题、收件人邮箱，以及选择一个文件作为附件进行发送。

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net.Mail;
using System.Net;

namespace _13._1._4练习
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            MailMessage msg = new MailMessage();

            msg.Subject = this.textBox2.Text;   //标题
            msg.Body = this.textBox3.Text;    //内容
            msg.From=new MailAddress("duan_linlin@163.com"); //邮件来自哪
             msg.To.Add(this.textBox1.Text);
            SmtpClient client=new SmtpClient(); //允许传输协议
            client.Host = "smtp.163.com";   //发件方服务器地址
            client.Port = 25; //发件方端口
            NetworkCredential credential = new NetworkCredential();
            credential.UserName = "duan_linlin@163.com";
            credential.Password = "jinyuxueqi521";
            client.Credentials = credential; //说明证书要给代理证书credential

            Attachment att = new Attachment(this.textBox4.Text);
            msg.Attachments.Add(att);

            client.Send(msg);
        }

private void Form1_Load(object sender, EventArgs e)
{

}

        private void button2_Click(object sender, EventArgs e)
        {
            if (this.openFileDialog1.ShowDialog()==System.Windows.Forms.DialogResult.OK)
            {
                this.textBox4.Text = this.openFileDialog1.FileName;
            }
        }

}
}