Below is a list of authentic Islamic questions and answers sites.

* Ask Imam - Featuring Mufti Ebrahim Desai, one of the best and very reliable Fatwa Website of Madrasah In'aamiyyah, Camperdown, South Africa. Answers are according to the Hanafi Fiqh.
http://www.askimam.org

* Sunni Path - provides answers according to Hanafi and Shafi Fiqh.
http://qa.sunnipath.com

* Islam-QA - Offers insight into Muslim belief and practice through questions, with answers supervised by Shaykh Muhammad Saalih al-Munajjid. Answers are in multiple ********s. No particular madhab.
http://www.islam-qa.com