By default, I choose to receive email notifications for all threads I posted in. Not much sense in making one post and then disappearing, now is there?
In most cases, I (and the majority of posters) will do exactly what you suggested above: Ask the person for more information, and give them the benefit of the doubt wrt piracy. I just had feeling we wouldn't be hearing from this guy again, so I probably wasn't too sympathetic towards him. I'm not always such an ogre... Guess I was a bit cranky on the day.
OP, wherever you are, come back. All is forgiven. (Unless you are a pirate, in which case.. STAY AWAY!)