fp upi rbrt givl i[ upit yu[omh?

i got it!

it means:

"This is really spam. I devised the code to cunningly fool everyone into thinking it was indeed not spam, when it actually was."
 
Stygian_Apothegm said:
dp,ryo,rd o deoyvj [pdoyopmd smf dp,ryjomh ;olr yjod vp,rd piy krkrkrkrk ;p;!

(note to all, this isn't spam, it actually means something, whoever can figure it out first wins!)
your clue gave it away

do you ever fuck up your typing?
well, yes... but i have too short attention span to figure out the rest...