By including one or more such lists (which could be very long) on a page, a user can select the desired mailing list. See the end of the OUSFG e-mail list for an example.
If Netscape 2.0 is the client, one can include a default subject with
<A HREF="mailto:T.J.Adye@rl.ac.uk?subject=Hi there!">
about:scheme in Netscape 2.0 (it seems not in 1.12 or before), one can obtain information about the
It doesn't seem to be possible to use these from a Bookmark file or a link
(probably a quite sensible security precaution), but
one can type them into the
Open Location query box by hand.
The idea was initially
What is in your disk-cache? Whatsit doin?.
A full list for Netscape 3.0 is maintained by Vancouver Webpages.
Other Netscape Tricks can be found at Yikes!. I particularly like CTRL/ALT/T (X-Windows Netscape only?) for displaying the transfer status.