Email validator

emailvalidator.cs

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

namespace EmailValidator
{
    class Program
    {
        static void Main()
        {
            var emails = File.ReadAllLines("emails.txt");

            for (var i = 0; i < emails.Length; i++)
            {
                var email = emails[i];
                try
                {
                    new MailAddress(email);
                }
                catch (FormatException)
                {
                    Console.WriteLine($"Invalid email address: {email}, line number: {i}");
                }
                catch (Exception e)
                {
                    Console.WriteLine(e);
                    throw;
                }
            }

            Console.ReadLine();
        }
    }
}