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> /// 发邮件 /// </summary> public static void SendMailUseQQmail() { System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage(); msg.To.Add("1185172056@qq.com"); /* msg.To.Add("b@b.com"); * msg.To.Add("b@b.com"); * msg.To.Add("b@b.com");可以发送给多人 */ msg.CC.Add("2670828470@qq.com"); /* * msg.CC.Add("c@c.com"); * msg.CC.Add("c@c.com");可以抄送给多人 */ msg.From = new MailAddress("a.qq.com", "Me", System.Text.Encoding.UTF8); /* 上面3个参数分别是发件人地址(可以随便写),发件人姓名,编码*/ msg.Subject = "这是测试邮件";//邮件标题 msg.SubjectEncoding = System.Text.Encoding.UTF8;//邮件标题编码 msg.Body = "邮件内容邮件内容邮件内容邮件内容邮件内容";//邮件内容 msg.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码 msg.IsBodyHtml = false;//是否是HTML邮件 msg.Priority = MailPriority.High;//邮件优先级 SmtpClient client = new SmtpClient(); client.Credentials = new System.Net.NetworkCredential("qq.qq.com", "qq密码或者授权码"); //见下图1 //上述写你的QQ邮箱和密码 client.Port = 587;//QQ邮箱使用的端口 client.Host = "smtp.qq.com"; client.EnableSsl = true;//经过ssl加密 object userState = msg; try { client.SendAsync(msg, userState); //简单一点儿可以client.Send(msg); Console.Write("SSL.Success"); Console.ReadKey(); } catch (System.Net.Mail.SmtpException ex) { Console.WriteLine("SSL.Fail"); Console.ReadKey(); } } } }