[Mailman-Users] Digest not working on Mac 10.3.6 running mailman 2.1.4

I still have a Macintosh 10.3.9 server running the default mailman (version 2.1.4) for mail lists. We have noticed digests have stopped working, I can send them manually, or if I set the trigger size to 0 they go. If I run the command /usr/bin/python -S /usr/share/mailman/cron/senddigests

[Mailman-Users] Mailman3 default list types

So my mailman3 environment is up (in docker) and I am testing and learning but had a question What do the default styles do? "Announce only" - sets the option of "allow_list_posts" to "false" and has public archives enabled. However I created a test list and I sent a post to it (as a user on t