From the 'edit' menu select 'paste'. This will paste a copy of the letter into notepad so that you can add your name to the list. If you want to do your postings in different settings, you'll always have this file to go back to. Fill in the Subject, this will be the header that everyone sees as they scroll through the list of postings in a particular group, click the post message button. No catch, that was it.
Many large corporations are happy to pay big bucks for quality lists.
Now, post your amended article to at least 200 newsgroups. You do not need to re-type this entire letter to do your own posting. From the 'edit' menu select 'paste'.