Other sections in this FAQ:
Majordomo
How do I set up Majordomo to work with Exim?
I have set $mailer in majordomo.cf, but it still isn't setting the sender correctly in the messages it sends.
I'm trying to set up majordomo, but I'm getting a wrong mode error when I try to send it mail.
I'm getting return code 9 from /home/majordomo/majordomo-1.94.4/wrapper when it is passed a message from Exim.
Exim is complaining about an invalid command line when Majordomo tries to send it a message for delivery.