C#收发邮件（Jmail+Professional+v4.4+特别版）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using jmail;

namespace WindowsApplication12
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void buttonX1_Click(object sender, EventArgs e)
        {
            jmail.Message Jmail = new jmail.Message();

            DateTime t = DateTime.Now;
            String Subject = " From EMail .net";
            String body = "你好科学12:15";
            String FromEmail = "lcqyue@163.com";
            String ToEmail = "qanholas@163.com";
            //Silent属性：如果设置为true,JMail不会抛出例外错误. JMail. Send( () 会根据操作结果返回true或false
            Jmail.Silent = true;
            //Jmail创建的日志，前提loging属性设置为true
            Jmail.Logging = true;
            //字符集，缺省为"US-ASCII"
            Jmail.Charset = "GB2312";
            //信件的contentype. 缺省是"text/plain"） : 字符串如果你以HTML格式发送邮件, 改为"text/html"即可。
            Jmail.ContentType = "text/html";
            //添加收件人
            Jmail.AddRecipient(ToEmail, "", "");
            Jmail.From = FromEmail;
            //发件人邮件用户名
            Jmail.MailServerUserName = "lcqyue";
            //发件人邮件密码
            Jmail.MailServerPassWord = "s";
            //设置邮件标题
            Jmail.Subject = Subject;
            //邮件添加附件,(多附件的话，可以再加一条Jmail.AddAttachment( "c://test.jpg",true,null);)就可以搞定了。［注］：加了附件，讲把上面的Jmail.ContentType="text/html";删掉。否则会在邮件里出现乱码。
        //    Jmail.AddAttachment("c://test.jpg", true, null);
            //邮件内容
            Jmail.Body = body + t.ToString();
            //Jmail发送的方法
            Jmail.Send("smtp.163.com", false);
            Jmail.Close();
        }

        /**/
        /// <summary>  
        /// 利用Jmail接收邮件   
        /// </summary>   
        private void ReciveByJmail()
        {
            /**/
            ///建立收邮件对象  
            jmail.POP3Class popMail = new POP3Class();

            /**/
            ///建立邮件信息接口  
            jmail.Message mailMessage;

            /**/
            ///建立附件集接口  
            jmail.Attachments atts;

            /**/
            ///建立附件接口  
            jmail.Attachment att;

            try
            {
                popMail.Connect("qanholas", "s", "pop3.163.com", 110);

                /**/
                ///如果收到邮件  
                //if (0 < popMail.Count)
                //{
                    /**/
                    ///根据取到的邮件数量依次取得每封邮件  
                    for (int i = 1; i <= popMail.Count; i++)
                    {
                        /**/
                        ///取得一条邮件信息  
                        mailMessage = popMail.Messages[i];

                        /**/
                        ///取得该邮件的附件集合  
                        atts = mailMessage.Attachments;

                        /**/
                        ///设置邮件的编码方式                            
                        mailMessage.Charset = "GB2312";

                        /**/
                        ///设置邮件的附件编码方式                           
                        mailMessage.Encoding = "Base64";

                        /**/
                        ///是否将信头编码成iso-8859-1字符集                          
                        mailMessage.ISOEncodeHeaders = false;

                        /**/
                        ///邮件的优先级                       
                      //  txtpriority.Text = mailMessage.Priority.ToString();

                        /**/
                        ///邮件的发送人的信箱地址                        
                       // txtSendMail.Text = mailMessage.From;

                        /**/
                        ///邮件的发送人                       
                       // txtSender.Text = mailMessage.FromName;

                        /**/
                        ///邮件主题                     
                      //  txtSubject.Text = mailMessage.Subject;

                        /**/
                        ///邮件内容                     
                      //  txtBody.Text = mailMessage.Body;
                        MessageBox.Show( mailMessage.HTMLBody);

                        /**/
                        ///邮件大小                          
                       // txtSize.Text = mailMessage.Size.ToString();

                        for (int j = 0; j < atts.Count; j++)
                        {
                            /**/
                            ///取得附件  
                            att = atts[j];

                            /**/
                            ///附件名称                                
                            string attname = att.Name;

                            /**/
                            ///上传到服务器  
                        //    att.SaveToFile("e://attFile//" + attname);

                        }

                    }
                   // panMailInfo.Visible = true;
                    att = null;
                    atts = null;
                //}
                //else
                //{
                //   MessageBox.Show("没有新邮件!");
                //}

                popMail.DeleteMessages();
                popMail.Disconnect();
                popMail = null;
            }
            catch
            {
                MessageBox.Show("Warning!请检查邮件服务器的设置是否正确！");
            }
        }

        private void buttonX2_Click(object sender, EventArgs e)
        {
            ReciveByJmail();
        }  

    }



     
}