jodd-mail/src/main/java/jodd/mail/EmailFilter.java
public EmailFilter and(final EmailFilter... emailFilters) {
		final SearchTerm[] searchTerms = new SearchTerm[emailFilters.length];

		for (int i = 0; i < emailFilters.length; i++) {
			searchTerms[i] = emailFilters[i].searchTerm;
		}

		concat(new AndTerm(searchTerms));
		return this;
	}
public EmailFilter and(final EmailFilter... emailFilters) {
		final SearchTerm[] searchTerms = new SearchTerm[emailFilters.length];

		for (int i = 0; i < emailFilters.length; i++) {
			searchTerms[i] = emailFilters[i].searchTerm;
		}

		concat(new AndTerm(searchTerms));
		return this;
	}
Defines AND group of filters.

@param emailFilters array of {@link EmailFilter}s to AND.
@return this