实例介绍
【实例简介】支持发送带附件的邮件，支持读取接收到的邮件，发送邮件、接收邮件内容 均测试通过了
【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 LumiSoft.Net.POP3.Client;
using System.Net.Sockets;
using System.Net.Mime;
using System.Net;
using System.IO;
using LumiSoft.Net.Mail;
namespace WindowsFormsmail
{
public partial class Form1 : Form
{
public TcpClient Server;
public NetworkStream NetStrm;
public StreamReader RdStrm;
public string Data;
public byte[] szData;
public string CRLF = Environment.NewLine;
POP3_Client client;
pop mypop = new pop();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
textBox1.Text = "renqian@northcom.cn";
textBox5.Text = "******";
// textBox2.Text = "chensong@northcom.cn";
comboBox1.Items.Add("smtp.163.com");
// comboBox1.Items.Add("smtp.gmail.com");
comboBox1.DropDownStyle = ComboBoxStyle.DropDownList;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
System.Net.Mail.SmtpClient Client = new System.Net.Mail.SmtpClient(comboBox1.Text);
string strFrom = string.Empty;
if (comboBox1.SelectedItem.ToString() == "smtp.163.com")
{
strFrom = textBox1.Text;
}
MailAddress from = new MailAddress(strFrom, "任乾", Encoding.UTF8);
MailAddress to = new MailAddress(textBox2.Text, "小明", Encoding.UTF8);
MailMessage Mail= new MailMessage(from, to);
#region
//附件部分
foreach (TreeNode tree in treeView1.Nodes) {
string filename = tree.Text;
if (File.Exists(filename))
{
Attachment attach = new Attachment(filename);
ContentDisposition disposition = attach.ContentDisposition;
disposition.CreationDate = System.IO.File.GetCreationTime(filename);
disposition.ModificationDate = System.IO.File.GetLastWriteTime(filename);
disposition.ReadDate = System.IO.File.GetLastAccessTime(filename);
Mail.Attachments.Add(attach);
}
else {
MessageBox.Show("文件未找到");
}
}
#endregion
Mail.Subject = textBox3.Text;
Mail.SubjectEncoding = Encoding.UTF8;
Mail.Body = textBox4.Text;
Mail.BodyEncoding = Encoding.UTF8;
Client.DeliveryMethod = SmtpDeliveryMethod.Network;
//Client.EnableSsl = true;
// Client.UseDefaultCredentials = false;
string username = textBox1.Text;
string passwd = textBox5.Text;
NetworkCredential myCredentials = new NetworkCredential(username, passwd);
Client.Credentials = myCredentials;
Client.Port = 25;
Client.Host = "smtp.qiye.163.com";
Client.Send(Mail);
MessageBox.Show("发送成功!");
}
catch(Exception ex) {
MessageBox.Show(ex.Message);
}
}
#region
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
}
#endregion
//添加附件按钮
private void button4_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.ValidateNames = true;
openFile.Filter = "所有文件(*.*)|*.*";
if (openFile.ShowDialog() == DialogResult.OK) {
string filename = openFile.FileName;
treeView1.Nodes.Add(filename);
}
}
private void button3_Click(object sender, EventArgs e)
{
Application.Exit();
}
//删除附件按钮
private void button5_Click(object sender, EventArgs e)
{
if (treeView1.SelectedNode == null)
{
MessageBox.Show("请选择要删除的附件。");
}
else {
TreeNode tree = treeView1.SelectedNode;
treeView1.Nodes.Remove(tree);
}
}
private void button6_Click(object sender, EventArgs e)
{
listBox1.Items.Clear();
//gtf---建立服务器连接
client= mypop.Connect();
List<Mail_Message> dd = mypop.GetEmails(client);
foreach (Mail_Message mdd in dd) {
textBoxmailsIn.Text = "Mail:" mdd.BodyText CRLF;
}
//Cursor cr = Cursor.Current;
// Cursor.Current = Cursors.WaitCursor;
#region
string szTemp=string.Empty;
try {
listBox1.Items.Add("Success");
//Cursor.Current = cr;
}
catch (Exception err)
{
listBox1.Items.Add("Error: " err.ToString());
}
#endregion
}
private void button7_Click(object sender, EventArgs e)
{
// Cursor cr = Cursor.Current;
// Cursor.Current = Cursors.WaitCursor;
listBox1.Items.Clear();
try
{
client = mypop.Connect();
listBox1.Items.Add("Connected");
// Cursor.Current = cr;
}
catch (Exception err)
{
listBox1.Items.Add("Error: " err.ToString());
}
}
}
}
标签： 邮箱
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