C# 用QQ邮箱发送邮件

        /// <summary>
        /// 发送邮件通知
        /// </summary>
        /// <param name="title"> </param>
        /// <param name="content"></param>
        private void SendMail(string title, string content)
        {
            //SMTP服务器配置
            var smtp = new SmtpClient("smtp.qq.com", 25);
            //邮件头
            var msg = new MailMessage();
            msg.From = new MailAddress("xxxx@qq.com", "京东价格监控系统");
            //发送到多个收件人时，循环添加
            var arr = BaseConfig.Emails.Split(';');
            for (int i = 0; i < arr.Length; i++)
            {
                msg.To.Add(arr[i]);
            }
            //邮件内容
            msg.Body = content;
            //启用邮件内容的HTML支持
            msg.IsBodyHtml = true;
            //标题 
            msg.Subject = title;
            //身份认证凭证，即你用来发邮件的帐号密码
            smtp.Credentials = new NetworkCredential("xxxx@qq.com", "456789123456");
            //发送
            smtp.Send(msg);
        }