[Mailman-Users] Installing Mailman Fails

[Stephen J. Turnbull]

Rich Shepard writes:
 >    I want to install Mailman here to replace majordomo for a few mail lists.
 > My system includes postfix-2.5.2 and httpd-2.2.12, as well as the latest
 > Mailman version downloaded at the end of last week.
 > 
 >    With the source in /usr/local/mailman

Move that whole directory and all its contents to /usr/local/src/mailman.

AIUI, Mailman is not designed to be run from the source directory, and
by default it installs into /usr/local/mailman.  So you're trying to
overwrite the source with itself, usually a bad idea for a number of
reasons.