>would it be too late for me to do so already 
>since I have already posted here too many times?

Hmm... Good question. I don't know how harvester 
bots are programmed... -_-' But, if we assume that 
you'll graduate/move on from the University of 
Minnesota's physics department ^_^, your address 
is technically temporary anyway. *shrug* If you 
have a powerful e-mail client, you might try to 
make some filters that will send certain spams 
directly to the trash. I'm not so lucky in terms 
of address - mine is permanent as long as I own 
the domain. ^_-