Çözüldü Mail gönderme programı

    public class SendMail
    {
 
       public void Microsoft(string GondericiAdSoyad,string GondericiMail,string GondericiPass,string AliciMail,string Baslik ,string icerik, string Ek)
        {
            SmtpClient sc = new SmtpClient();
            sc.Port = 587;
            sc.Host = "smtp.outlook.com";
            sc.EnableSsl = true;
            sc.Credentials = new NetworkCredential(GondericiMail, GondericiPass);


            MailMessage email = new MailMessage();
            email.From = new MailAddress(GondericiMail, GondericiAdSoyad);
            email.To.Add(AliciMail);
            email.Subject = Baslik;
            email.IsBodyHtml = true;
            email.Body = icerik;
            if (Ek != null)
            {
                email.Attachments.Add(new Attachment(Ek));
              
            }
                sc.Send(email);

if (comboBoxSunucu.Text == "Microsoft")
                {
                  
                      SendMail sm = new SendMail();
                      sm.Microsoft(txtGondericiAdSoyad.Text, txtGondericiMail.Text, txtGondericiPass.Text, txtAlici.Text, txtBaslik.Text, txticerik.Text, txtEk.Text);
                      MessageBox.Show("Mail Gönderildi.");

                 
                  
               
                }