C# POP3类库 接收邮件 并读取邮件内容 附完整源码

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net.Mail;
using System.Configuration;
using Meleagre.EasyPop;

namespace EasyMail
{
    public partial class MainForm : Form
    {
        private PopClient popClient;
        private string username;
        private string password;


        private void ConnectToSmtpServer()
        {
            //username = ConfigurationManager.AppSettings["Username"];
            //password = ConfigurationManager.AppSettings["Password"];
            username = "test5711";
            password = "123qaz";



            FormAuth formAuth = new FormAuth(username, password);
            DialogResult dialogResult = formAuth.ShowDialog();

            if (dialogResult == System.Windows.Forms.DialogResult.OK)
            {
                username = formAuth.Username;
                password = formAuth.Password;
                popClient = new PopClient();
                popClient.Connect(this.textBoxMailServerAddress.Text, username, password);

                List<PopMessage> messages = popClient.RetrieveAllMessages();

                this.listBoxMessages.Items.Clear();
                foreach (PopMessage msg in messages)
                {
                    listBoxMessages.Items.Add(msg.Content.Subject);
                }
            }
        }

        public MainForm()
        {
            InitializeComponent();
        }

        private void buttonConnect_Click(object sender, EventArgs e)
        {
            ConnectToSmtpServer();
        }

        private void textBoxMailServerAddress_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                ConnectToSmtpServer();
            }
        }

        private void MainForm_FormClosed(object sender, FormClosedEventArgs e)
        {

            if(popClient != null)
            {
                popClient.Close(); 
            }
        }

        private void listBoxMessages_SelectedIndexChanged(object sender, EventArgs e)
        {
            richTextBoxMessage.Text = 
                popClient.RetrieveMessage(listBoxMessages.SelectedIndex   1).Content.AllContent;
        }
    }
}