> is so easy to delete without retrieving the entire document. Do some people
> have systems that don't have this capability?
Yes, people who get their e-mail through a POP3 system (e-mail programs
like Eudora or Netscape Navigator). These programs downlaod ALL of the
messages that are waiting for you, and then you can read and erase them
from your own computer. When people are paying hourly connection charges,
they don't enjoy having to get all these messages that they immediately erase.
The table of contents idea would be a very courteous solution, which more
people ought to follow.