Stamps.com hopes its customers keep putting letters in the mail. Its PC Postage Service lets registered users who have downloaded Stamps.com software buy stamps online and print the postage directly onto envelopes and labels. Customers can order US Postal Service options, such as registered mail, certified mail, and delivery confirmation, as well as print custom stamps using virtually any image through its PhotoStamps.com website. Stamps.com charges a monthly fee for its service, which is aimed at consumers, home offices, and small businesses. In addition, customers can buy mailing labels, scales, and dedicated postage printers from Stamps.com. Postage fees are sent directly to the US Postal Service.