meaning that third parties can implement their own interface to Yahoo! mail.

http://developer.yahoo.com/mail/

This may be what Fairpoint is doing to give users access through their branded portal. These same APIs mean that any user can implement their own non-Fairpoint approved access mechanism for their webmail.

It may not be a solution for all users, but at least yahoo's opened up enough that there are options available in the case of abusive network access providers.

Under the 'View' menu select 'Undo History' for a nice graphical interface to changes that have been made in the current document.

You can even click a particular version to revert the document to that exact content.

Of course it's not free-ware... but it is quite stable and the demo version _is_ free.

http://www.e-texteditor.com/