Csharp/CSharp Tutorial/Network/EMail

Email: to, cc, bcc, subject, body and attachment

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.IO.rupression;
using System.Net;
using System.Net.Mail;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Text;
public class MainClass
{
    public static void Main()
    {
        SmtpClient client = new SmtpClient("smtp.localhost.ru");
        client.Credentials =new NetworkCredential("username", "password");
        MailMessage message = new MailMessage(new MailAddress("joe@net.ru", "Joe"),    // To
            new MailAddress("raj@web.ru", "Ray")); // CC
        message.Bcc.Add(new MailAddress("a@asdf.ru"));
        message.Bcc.Add(new MailAddress("m@fda.ru"));
        message.Subject = "subject";
        message.Body = "body";
        Attachment att = new Attachment(@"c:\file.cs");
        message.Attachments.Add(att);
        client.Send(message);
    }
}

Send an email out

using System;
using System.Net;
using System.Net.Mail;
class MainClass
{
    public static void Main(string[] args)
    {
        SmtpClient client = new SmtpClient("mail.somecompany.ru", 25);
        client.Credentials =new NetworkCredential("user@somecompany.ru", "password");
        using (MailMessage msg = new MailMessage())
        {
            msg.From = new MailAddress("author@aaa.ru");
            msg.Subject = "HI";
            msg.Body = "A message";
            msg.Attachments.Add(new Attachment("c:\\test.txt", "text/plain"));
            msg.Attachments.Add(new Attachment("C:\\test.exe", "application/octet-stream"));
            msg.To.Add(new MailAddress("message to address"));
            client.Send(msg);
        }
    }
}