smtp

// references: http://www.kbcafe.com/articles/HowTo.SMTP.CSharp.pdf
// http://stackoverflow.com/questions/5899180/sending-an-email-through-gmail-smtp-server-ssl

using System;
using System.IO;
using System.Net;
using System.Net.Mail;

namespace smtprush
{
    public class Core
    {
        private static string
            txtpath = "",
            body;
        public static void Main(string[] args)
        {
            for (int i = 0; i < args.Length; i++)
            {
                if(args[i] == "-txt")
                {
                    txtpath = args[++i];
                    Text();
                }
            }
            try
            {
                SmtpClient smtp = new SmtpClient
                {
                    Host = args[0],
                    Port = Convert.ToInt32(args[1]),
                    EnableSsl = true,
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                    UseDefaultCredentials = false,
                    Credentials = new NetworkCredential(args[2], args[3]),
                    Timeout = 10000
                };
                MailMessage message = new MailMessage(args[4], args[5], args[6], body);
                message.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;

                smtp.Send(message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("{0} Exception caught.", ex);
            }
            Console.WriteLine("Host " + args[0]);
            Console.WriteLine("Port " + args[1]);
            Console.WriteLine("Username " + args[2]);
            Console.WriteLine("Password " + args[3]);
            Console.WriteLine("From " + args[4]);
            Console.WriteLine("To " + args[5]);
            Console.WriteLine("Subject " + args[6]);
            Console.WriteLine("Body " + body);
        }
        private static string Text()
        {
            using (StreamReader sr = new StreamReader(txtpath))
            {
                string[] lines = sr.ReadToEnd().Split(';');
                for (int i = 0; i < lines.Length; i++)
                {
                    body += lines[i];
                }
            }
            return body;
        }
    }
}