Does the postFilter automatically disable / override all messages then?No, AnswerHints won't change the message if there already is one (unless you tell it to). See the answerHints.pl POD documentation for details.
WeBWorK Problems
Intervals or Lists with Strings (and braces)
This forum has a limit to the number of forum postings you can make in a given time period - this is currently set at 10 posting(s) in 1 day