in mail-archive/server/src/main/java/org/apache/sling/mailarchiveserver/impl/SearchQueryParserImpl.java [104:117]
static {
SEARCH_PARAMETERES.add(SearchParameter.FROM);
SEARCH_PARAMETERES.add(SearchParameter.SUBJ);
SEARCH_PARAMETERES.add(SearchParameter.LIST);
MESSAGE_FIELDS.add(SearchableMessageField.FROM);
MESSAGE_FIELDS.add(SearchableMessageField.SUBJ);
MESSAGE_FIELDS.add(SearchableMessageField.LIST);
MESSAGE_FIELDS.add(SearchableMessageField.BODY);
SEARCH_PARAMETER_TO_MESSAGE_FIELD_MAP.put(SearchParameter.FROM, SearchableMessageField.FROM);
SEARCH_PARAMETER_TO_MESSAGE_FIELD_MAP.put(SearchParameter.SUBJ, SearchableMessageField.SUBJ);
SEARCH_PARAMETER_TO_MESSAGE_FIELD_MAP.put(SearchParameter.LIST, SearchableMessageField.LIST);
}