using System;

using System.Collections.Generic;

using System.Threading;

using System.Threading.Tasks;

using System.Timers;

using System.Net.Mail;

public class Program

{

    public static void Main()

    {

        var email = "abcd@geico.com";

        var addr = new MailAddress(email);

        Console.WriteLine(addr.Address == email);

    }

​

}

​