Knowledge base

            var verifier = new EmailVerifier();
            var task = new VerificationTask("bill@example.com", VerificationLevel.Dns);

            verifier.Verify(task);

            if (task.Result.IsSuccess)
            {
                // Iterate the collection of the available MX records

                foreach (var mxRecord in task.Result.AvailableMXRecords)
                {
                    Console.WriteLine("{0}, {1}",
                        mxRecord.Name,
                        mxRecord.Preference);
                }
            }