using System.Net.Mail;
MailMessage msgMail = new MailMessage();
MailMessage myMessage = new MailMessage();
myMessage.From = new MailAddress("sender's email", "sender`s name and surname");
myMessage.To.Add("recipient's email");
myMessage.Subject = "Subject";
myMessage.IsBodyHtml = true;
myMessage.Body = "Message Body";
SmtpClient mySmtpClient = new SmtpClient();
System.Net.NetworkCredential myCredential = new System.Net.NetworkCredential("email", "password");
mySmtpClient.Host = "your smtp host address";
mySmtpClient.UseDefaultCredentials = false;
mySmtpClient.Credentials = myCredential;
mySmtpClient.ServicePoint.MaxIdleTime = 1;
mySmtpClient.Send(myMessage);
myMessage.Dispose();
habayi macho ubata host address eka SMTP support keranna one