Start by checking that all the qrunners are running, particularly IncomingRunner and OutgoingRunner. Check for a locked list. Check Mailman's logs, particularly 'error' and 'qrunner' for errors. See ttems 6.2, 7 and 8 at https://wiki.list.org/x/4030723
Start by checking that all the qrunners are running, particularly IncomingRunner and OutgoingRunner. Check for a locked list. Check Mailman's logs, particularly 'error' and 'qrunner' for errors. See ttems 6.2, 7 and 8 at https:/ /wiki.list. org/x/4030723