public static bool sendMail(string[] to, string[] cc, string subject, string body, string attachFile, HttpContext context)
    {
        try
        {
            string filepath = WebConfigurationManager.AppSettings["folder_config"] + "Config.ini";
            if (File.Exists(context.Server.MapPath(filepath)))
            {
                IniParser parser = new IniParser(context.Server.MapPath(filepath));

                string host = "";
                string port = "";
                string ssl = "";
                string username = "";
                string password = "";
                string bccEmail = "";
                string senderName = "";

                host = parser.GetSetting("EmailServer", "Host").Trim();
                port = parser.GetSetting("EmailServer", "Port").Trim();
                ssl = parser.GetSetting("EmailServer", "EnableSsl").Trim();
                username = parser.GetSetting("EmailServer", "Username").Trim();
                password = parser.GetSetting("EmailServer", "Password").Trim();
                bccEmail = parser.GetSetting("EmailServer", "BCCEmail").Trim();
                senderName = parser.GetSetting("EmailServer", "SenderName").Trim();

                if (string.IsNullOrEmpty(host) || string.IsNullOrEmpty(port) || string.IsNullOrEmpty(ssl) || string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password))
                {
                    return false;
                }
                else
                {
                    SmtpClient SmtpServer = new SmtpClient();
                    SmtpServer.Credentials = new System.Net.NetworkCredential(username, password);
                    SmtpServer.Port = Convert.ToInt32(port);
                    SmtpServer.Host = host;
                    SmtpServer.EnableSsl = ssl == "1" ? true : false;
                    MailMessage message = new MailMessage();
                    message.From = new MailAddress(username, senderName);
                    foreach (string item in to)
                    {
                        if (checkEmail(item.Trim()))
                        {
                            message.To.Add(new MailAddress(item.Trim()));
                        }
                        else
                        {
                            return false;
                        }
                    }
                    foreach (string item in cc)
                    {
                        if (checkEmail(item.Trim()))
                        {
                            message.CC.Add(new MailAddress(item.Trim()));
                        }
                    }
                    if (!string.IsNullOrEmpty(attachFile))
                    {
                        message.Attachments.Add(new Attachment(attachFile));
                    }
                    message.Subject = subject;
                    message.Body = body;
                    message.IsBodyHtml = true;
                    SmtpClient client = new SmtpClient();
                    message.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
                    try
                    {
                        SmtpServer.Send(message);
                        return true;
                    }
                    catch (Exception ex)
                    {
                        IBE_Business.ClassStatic.clsBSSystemLog.insert(ex);
                        return false;
                    }
                }
            }
            else
            {
                return false;
            }
        }
        catch (Exception ex)
        {
            IBE_Business.ClassStatic.clsBSSystemLog.insert(ex);
            return false;
        }
    }