The competition among white-label “deal a day” providers is increasingly intense. At the same time, local media companies are beginning to verticalize their deal a days to differentiate themselves.

Case in point is The Washington Post, which has rolled out “The Capitol Dish,” a Web site and newsletter offering dining deals to D.C.-area restaurants. The Post has teamed up with Second Street Media‘s Deadline Deals product.

The vertical product is in addition to The Post’s Daily Deal arrangement with LivingSocial, which includes some exclusive deals but does not focus on a specific vertical or utilize The Post’s sales force.

Deadline Deals is currently being used in more than 50 markets by a number of Lee Enterprises newspapers, including The St. Louis Post-Dispatch, as well as a number of TV stations. One feature of Deadline Deals that stands out is that it tightly integrates an e-mail solution for sending subscribers an update about each day’s deals.

It also includes integrated maps, data export and reporting, consumer support, and credit card processing. Second Street Media, which is the parent of Deadline Deals, figures that local media partners are taking in between $10,000 and $40,000 a month in new revenues from its deals.