DoubleClick Inc.'s eMail List Services division now offers lists in the technology and business-to-business categories, the company said yesterday.
With the addition of these lists, which include Brainbench, DigitalWork and Coolboard, the division now manages 41 lists with more than 21 million opt-in e-mail names.
The company said one of its clients, Unix and Linux software provider Caldera Systems, sends the Brainbench list to its customers and has achieved a 16 percent response rate.
DoubleClick said its DigitalWork list features more than 300,000 small-business e-mail addresses. Brainbench boasts more than 1.5 million U.S. addresses and 800,000 international addresses.
