Library for simple checks if an email or host address is listed in https://github.com/ivolo/disposable-email-domains
usingDisposableEmailDomainsCheck;//...String[]toCheck={"asdf@mydomain.com","mydomain.com","sd9f8sd@mailinator.com"};do{Console.WriteLine(DisposableEmailDomains.State.ToString()+" | Waiting...");Thread.Sleep(2000);}while(!DisposableEmailDomains.IsReady);Console.WriteLine("Index state: "+DisposableEmailDomains.State.ToString());foreach(varhostOrEmailintoCheck){boolisListed=DisposableEmailDomains.Contains(hostOrEmail);Console.WriteLine(hostOrEmail+" is listed: "+isListed);}Console.ReadKey();