using System;

using System.Threading.Tasks;           //*async

using System.Net.Mail;                  //*smtp client

using System.Net;                       //*Network Credential

//using Windows.ApplicationModel.Email;   //*email

public static class clsEmail

{

    //============< clsEmail >============

    public static bool send_Email(string sTitle, string sText)

    {

        //------------< send_Email() >------------

        //send email with uwp and smtp-server

        //< email >

        MailMessage email = new MailMessage();

        email.To.Add(app_settings._admin_Email);

        email.From = new MailAddress(app_settings._Smtp_User, "Searchagent");

        email.Subject = sTitle;

        email.Body = sText;

        //</ email >

        //< email-server >

        SmtpClient client = new SmtpClient();

        client.Host = app_settings._Smtp_Server;

        client.UseDefaultCredentials = false;

        client.DeliveryMethod = SmtpDeliveryMethod.Network;

        //< no ssl >

        client.Port = 25;

        client.EnableSsl = false;

        //</ no ssl >

        //< ssl >

        //*securesmpt.t-online.de

        //client.Port = 587;

        //client.EnableSsl = true;

        //</ ssl >

        client.Credentials = new NetworkCredential(app_settings._Smtp_User, app_settings._Smtp_Password);

        //</ email-server >

        //< send >

        //await client.SendMailAsync(email);      //*no error message

        client.Send(email);                       //*with error message

                                                  //</ send >

        return true;

        //------------</ send_Email() >------------

    }

    //============</ clsEmail >============

}