There's a problem with Outlook/Hotmail at the moment.
From Microsoft service status:
A small percentage of mobile users may experience intermittent issues while syncing email. August 15 6:44 AM
Updates Fixing the problem is taking longer than we hoped. We'll provide an update by August 17 6:00 AM.
We apologize for the lengthy interruption in service. August 16 5:54 PM
The IPad Forum is a community of members from all walks of life and from all over the world coming together to share our experiences and to help each other learn about this wonderful piece of technology the Ipad. There is a wealth of information already here in the many threads we have so doing some searches will answer most of the questions you have. If then you cannot find the answer you are seeking then by all means post your question. There are many friendly and informed members here only too willing to help you.