When you check all the boxes that you want, are you putting in your new pin to confirm that you want to add those options?
You can set your sMails to Friends Only too if you want to take another precaution.

mines not working either i have ALL boxes checked and not one of them is asking for my pin...
I just tried mine and it's working as it should. I hope you get yours fixed!
I'm going to check my settings, log out, and log back in and then let you know. I would be upset if my pin was not working, but I never log out. Hold on...
[edit] WOAH. That was not cool. I logged out, tried to log back in, said my password was incorrect, and to enter it again. 5 tries, no dice. Had to request to reset my password. The domain was Subeta.net but the rest of the url was weird. The submit button said "level3." I got a verification in my email that my password had been changed. Went to log-in, used new password, it prompted me for my pin, and it worked. Again the domain was Subeta.net.
Tl;dr My pin still works, still is the same number, and prompts me for all the things I ask it too. Wanted to check for you.
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Hmm, mine is supposed to be set for almost all of the boxes, but only withdrawing or depositing sP prompts a PIN....I take money out of my shop and no prompt.
The books the world calls 'immoral' are the books that show the world its own shame. - Picture of Dorian Gray