InfoPath Dev

How can I submit InfoPath 2010 form to SharePoint 2010 Library and submit some fields from it that are in a repeating table to SharePoint 2010 task list (which the user fill in so I can't know how many fields there will be to submit)? I know to do each one separately but I can't manage to do them both ...

My problem is with InfoPath 2010 that publishes to SharePoint 2010 and in the same time need to send mail to person\groups that was filled in the form. I also need this form to be a template as content type in the SharePoint site. When I'm using the email submit option at the InfoPath it give me this massage: "Domain trust form ...