Hello,
You can answer "yes" to all of your questions. Look for information on
InfoPath Forms Services here:
http://office.microsoft.com/en-us/formsserver/FX100490391033.aspx?ofcresset=1
web-based, supports email, submit all or part of the data, use web services,
etc. You do require a version of SharePoint (either Windows SharePoint
Services which is free depending on your usage, or Microsoft Office
SharePoint Services Enterprise) to use InfoPath Forms Services.
I have a web page here that talks about the InfoPath Forms Services
requirements:
http://www.infopathkb.com/Knowledge%20Base/What%20restrictions%20are%20there%20w
hen%20installing%20InfoPath%20Forms%20Server.aspx
Gavin.

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InfoPath Knowledge Base
http://www.infopathkb.com/
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> I' m wondering where I may find informaion about how info path works on a
> website? Do you have to have sharepoint? Can these forms be displayed and
> filled out online? Can the information from the form be gathered or the
> entire form be sent from a website location to a data collection point or
> e-mail?