private void parseEhloResponse(final Response resp) {
		final BufferedReader reader = new BufferedReader(new StringReader(resp.getMessage()));
		//the first line is skipped as it contains server information only
		reader.lines().skip(1).forEach(line -> {
			final int iFirstSpace = line.indexOf(' ');
			final String keyword = iFirstSpace == -1 ? line : line.substring(0, iFirstSpace);
			final String parameters = iFirstSpace == -1 ? "" : line.substring(iFirstSpace + 1);
			extensions.put(keyword.toUpperCase(Locale.ENGLISH), parameters);
		});
	}
Extracts the list of SMTP extensions from the server's response to EHLO, and
stores them in {@link #extensions}.
src/test/java/de/gessnerfl/fakesmtp/smtp/client/SmartClient.java