What if my mailing address does not match the address on my driver's?
You didnt mention what country or State youre in, so nobody can answer this question definitively. Ordinarily, however, when a State permits a mail-in application (which I assume is a renewal application) there is a place to indicate your new address and the license will be issued with that new address. I dont know of any States that require you to mail your current drivers license in to get it renewed, since then youd be driving without a license on your person - a misdemeanor or infraction, at best.