Originally Posted by venus

Basically its your business, the ultimate responsibility is yours to ensure everything is working correctly and if ever in doubt, check it yourself. Join your own site and see if its working. You may have people unstall scripts for you or what ever, but its your business, you lose if things do not work correctly, the responsibility is all yours.

making sure your signup and password management work is part of being a webmaster, one of the most basic part.