private void send_mail()
{
System.Net.Mail.MailMessage Email = new System.Net.Mail.MailMessage();
Email.From = new System.Net.Mail.MailAddress("mail@id.com");
Email.To.Add(EmailTextBox.Text);
Email.Subject = Subject.Text;
Email.Body = Subject0.Text;
System.Net.Mail.SmtpClient mailClient = new System.Net.Mail.SmtpClient();
mailClient.Credentials = new System.Net.NetworkCredential("domain@hotel.com", "s#a(p*)");
mailClient.Host = "192.167.21.12";
mailClient.Port = 25;
mailClient.Send(Email);
}
protected void SendMailButton_Click(object sender, EventArgs e)
{
send_mail();
}