>We have a need to receive error reports (either a table or text files) from all of our apps that are out in the field back to our home office. These are a couple of scenarios and questions I have regarding that.
>
>Email: What if the client does not have Outlook installed (some don't). What if they are using an email other than Outlook. Or don't use client email?
>
>Web Service: I now know how to communicate to a server, but what needs to be done on the server to accept the request/information?
>
>FTP: Have no idea how to implement this from either side.

Take a look at incorporating Blat into your app to send what you need. It's very simple to use, is free, and works great. It runs straight from your program so doesn't require Outlook. I implemented it at my last client (on Bill Kuhn's recommendation) and it was a big hit.