MailMessage mail = new MailMessage();
        mail.From = new MailAddress("from@gmail.com", "fromName");
        mail.To.Add(new MailAddress("to@gmail.com", "toName");

        mail.Subject = "Example Mail Subject";

        mail.Body = "Hello,\n\n" + "Example Body Texting\n\n" + "Have a nice day!";

        SmtpClient smtp = new SmtpClient();
        smtp.Host = "mail.server.com";
        smtp.Port = 587;

        smtp.UseDefaultCredentials = false;
        var credential = new NetworkCredential
        {
            UserName = "mail user name",
            Password = "mail user password"
        };
        smtp.Credentials = credential;
        smtp.EnableSsl = false;
        smtp.Send(mail);