Add to FAQ:
Q: Surely I could install mailman on my web shared hosting plan
without root. I'll just use --with-username=$USER --with-groupname=`id
-g` ... --with-cgi-ext=.cgi etc. and then use my .procmailrc to
redirect what comes to the extra mailboxes my hosting plan allows me
A: Ah but Holmes, you have neglected a fundamental...