It is not possible to send an email to a basic lising.
Community of poker forums and groups, including articles and top lists. Hosted by the online card room PokerRoom.com. Very active community, with nice interface. Content is OK, with a decent link guide.
The Hendon Mob
Poker guide by a group of four UK-based pro players offering tips, a forum, photo gallery, player profiles, competitions, link guide and poker shop. High profile, attracting a lot of PR. Affiliated with Bugsys Club.
Poker information resource, with lots of strategy articles, news and various guides. By the pro player Steve Badger, well-known Omaha authority. Also has a daily updating of "Poker News" from the mainstream media. Somewhat hard to find some of the content, but great quality and true poker feel. Greatly recommended.
PokerPulse is an independent poker tracking portal showing close to real time counts of money players and games from 15 of the top online multi-player poker rooms. PokerPulse counts and play statistics are updated frequently and are typically less than an hour old. Provides accurate counts of real money players and real money games. Also sells monthly summaries B2B. Very nice information. Recommended!
Poker portal and publication. Includes news, articles, detailed tournament schedules, directory of card rooms, how to guides, links, audio/video, newsletter, poker school and much more. Very good and well trafficked site with lots of original content and news. Somewhat hard to find at site though. Highly recommended.
Poker1.com is the home of Mike Caro's University of Poker and other online resources. It presents the "University" with 43 (!) lectures, test and strategy articles. There are also a lot of material on odds, rules, audio/video clips, tips and other. Also offers shop and forum. Very high quality and broad scope in the online strategy tutorials. Highly recommended!