[MlMt] edit past addresses

[John Cooper]

Glenn Parker wrote (at 9:20 AM on Friday, Nov 26, 2021):

> Second, you can add previously seen addresses to MailMate’s blacklist by right-clicking on the address and choosing the “Add to Blacklist” action. Once an address is blacklisted, it won’t be offered during auto-complete. Be careful what you invoke this on, because getting it *off* the blacklist requires a tad more work with a text editor.

Where's the blacklist file?