Sorry, please ignore this. I plugged away at the problem and have found a
solution. I found and deleted the config.pck file in the lists/mailman
directory and created the mailman list again from scratch as described in the
latter stages of the install process. This created a new config.pck file
Dear mailman-users,
I've been having problems getting Mailman to send any messages. After doing
some reading and searching this list's archives, I've discovered that I'm
getting exactly the same error message as the one given here
http://www.mail-archive.com/mailman-users@python.org/msg35582.ht
