How should an administrative assistant reply to student addressing them as "Professor" or "Doctor"? As an administrative assistant at a major university, I regularly field questions from prospective applicants and students. Occasionally, in response to my reply the author will address me as "Professor" or "Doctor".

What is a concise yet polite way to reply with regard to this (in my case) misattribution? I am flattered to be sure, but my flattery is exceeded by my concern for honesty in advertising – I'm neither a PhD/ScD/MD, nor a professor. On the one hand, if I just ignore it I feel I'm tacitly accepting the misattributed title, on the other hand if I reply with a correction, I fear that I misrepresent the values of our community as being overly obsessed with titles and protocol. Any suggestions for a tactful and honest way of addressing this kind of misattribution is appreciated!
In the U.S., I think just don't bother to directly respond.

Your email signature probably accurately indicates your position, and if people don't understand the hierarchy of universities, it doesn't really matter. Their respectful form of address is just recognizing that you can give authoritative opinions on things... whatever your precise title/degree...