Subscription to "Tips and Tricks" Forum

| ---Quote---
|| The "Tips and Tricks" Forum, parent of Aliases, Functions, etc.,
|| does not allow the "instant notification" setting, which is
|| required for email delivery of posts. Can you please fix it?
| ---End Quote---
| That's not a forum, that's a category. You cannot post to (or
| receive email from) a category.

Somebody posted in that category earlier today, visible in browser.