Java

public class Program
   {
       public static void Main(string[] args)
       {
           try
           {
               // Check arguments
               if (args.Length != 3)
               {
                   ShowUsage();
                   return;
               }

               // Create message
               MailMessage mmMessage = new MailMessage();
               mmMessage.To.Add(new MailAddress(args[2] as string));
               mmMessage.From = new MailAddress(args[1] as string);
               mmMessage.Subject = "TestMail";
               mmMessage.Body = "This is a test";

               // Send message
               SmtpClient sc = new SmtpClient(args[0] as string);
               sc.Send(mmMessage);

           }
           catch (Exception ex)
           {
               Console.WriteLine(ex);
           }
           finally
           {
               //Pause
               Console.WriteLine();
               Console.Write("Press a key >");
               Console.ReadKey();
           }
       }

       private static void ShowUsage()
       {
           Console.WriteLine("Usage");
           Console.WriteLine("TestMail [SmtpServer] [FromAddress] [ToAddress]");
       }

   } // end Program