This article is from the sci.fractals FAQ, by Michael C. Taylor and Jean-Pierre Louvet with numerous contributions by others.
If you don't have access to ftp because you are on a UUCP,
Fidonet, BITNET network there is an e-mail gateway at
firstname.lastname@example.org that can retrieve the files for you. To get
instructions on how to use the ftp gateway send a message to
email@example.com with one line containing the word "help".
Warning, these archives can be very large, sometimes several megabytes
(MB) of data which will be sent to your e-mail address. If you have a
disk quota for incoming mail, often 1MB or less, be careful not exceed