SmtpServer.Protocol.SmtpCommandFactory.TryMakeHelo C# (CSharp) Method

        public bool TryMakeHelo(TokenEnumerator enumerator, out SmtpCommand command, out SmtpResponse errorResponse)
        {
            Debug.Assert(enumerator.Peek() == new Token(TokenKind.Text, "HELO"));

            command = null;
            errorResponse = null;

            enumerator.Take();
            enumerator.TakeWhile(TokenKind.Space);

            string domain;
            if (_parser.TryMakeDomain(enumerator, out domain) == false)
            {
                _logger.LogVerbose("Could not match the domain name (Text={0}).", enumerator.AsText());

                errorResponse = SmtpResponse.SyntaxError;
                return false;
            }

            command = new HeloCommand(domain);
            return true;
        }