[MlMt] Finer control of blacklist

[John Cooper]

Randall Gellens wrote (at 9:21 AM on Friday, October 21, 2022):

> Mac Eudora had several features that made rule maintenance much easier. Two in particular: first, looking at a rule showed when it was last triggered; the list of rules showed a tiny dinosaur next to a rule that hadn't fired in a long time, making it easy to update or delete rules that no longer worked. Second, selecting one or more messages and opening the rules window highlighted the rules that the selected messages matched. That made it much easier to debug rules. Three more features that were very helpful: a "starts with" test in the rule syntax, a "near" test (for words that were near each other), and the ability to use a regular expression as a test.

All of these would be extraordinarily useful additions to MailMate's functionality!