At around Fri, 30 Jul 1999 10:59:19 -0700, "Matthew Kaing" <bora@employees.org> may have mentioned:

Hi, I like to use mailman with qmail. I like to know if anyone have successfully configure them to work together. Please help with the setup and configuration if you have done this.

i think there is a file called README.QMAIL in the distribution w/ some notes on this. have you had a look at that?