night of confusion

okay..i'm brilliant at hardware...i can build and over clock a computer...but blogger somehow eludes me....

question to the 2 people that read my blog..okay i'm hoping there's more, but right now i only see evidence of 2..but i digress..here is the question...

i post a comment on someone else's blog, is there a default setting that will allow a way that they can email me back with a response without advertising my email address?...i hope the question makes sense..thanks in advance...