C#+QQEmail自動發送郵件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using System.Net.Mail;
namespace EmailTest
{
    class ssl
    {
        /// <summary>
        /// 發郵件
        /// </summary>
        public static void SendMailUseQQmail()
        {
            
            System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage();
            msg.To.Add("[email protected]");
            /*   
             msg.To.Add("[email protected]");   
            * msg.To.Add("[email protected]");   
            * msg.To.Add("[email protected]");可以發送給多人   
            */
            msg.CC.Add("[email protected]");
            /*   
            * msg.CC.Add("[email protected]");   
            * msg.CC.Add("[email protected]");可以抄送給多人   
            */
            msg.From = new MailAddress("a.qq.com", "Me", System.Text.Encoding.UTF8);
            /* 上面3個參數分别是發件人位址（可以随便寫），發件人姓名，編碼*/
            msg.Subject = "這是測試郵件";//郵件标題    
            msg.SubjectEncoding = System.Text.Encoding.UTF8;//郵件标題編碼    
            msg.Body = "郵件内容郵件内容郵件内容郵件内容郵件内容";//郵件内容    
            msg.BodyEncoding = System.Text.Encoding.UTF8;//郵件内容編碼    
            msg.IsBodyHtml = false;//是否是HTML郵件    
            msg.Priority = MailPriority.High;//郵件優先級    
            SmtpClient client = new SmtpClient();
            client.Credentials = new System.Net.NetworkCredential("qq.qq.com", "qq密碼或者授權碼");
             //見下圖1
            //上述寫你的QQ郵箱和密碼    
            client.Port = 587;//QQ郵箱使用的端口    
            client.Host = "smtp.qq.com";
            client.EnableSsl = true;//經過ssl加密    
            object userState = msg;
            try
            {
                client.SendAsync(msg, userState);
                //簡單一點兒可以client.Send(msg);    
                Console.Write("SSL.Success");
                Console.ReadKey();
            }
            catch (System.Net.Mail.SmtpException ex)
            {
                Console.WriteLine("SSL.Fail");
                Console.ReadKey();
            }
        }
    }
}

           

qq郵箱-設定-賬戶