I use gmail. Some of my mailing lists and subscriptions include (dot com): allposters, allrecipes, hungrygirl, 80spurple, urbn, rubios, la.com, palm, astrology, ticketmaster, sharkeez manhattan and newport, fingerhut, apple, sephora, ikea, volvo, omp, dsw, tws, mlfabrics, body by milk, 944, sublime stitching, filter, lomography, sirius, sprinkles cupcakes, activemailorder, amazon, surlatable, wetseal, planetfunk, cocopalm, weightwatchers, allnurses, hassavocado, worldmarket, facebook and many others.
