I think thats fine. For some reason this change is pending on all
machines tho, need to sort out why it's not mailman/smtp-mm only.

Hmm, that's strange, I only changed 'roles/base/files/postfix/master.cf/master.cf.mailman', so it should only affect hosts in the 'mailman' group.
I also changed 'roles/base/tasks/postfix.yml' because only hosts starting with smtp-mm would get their master.cf from ansible before.

> My next step is to download the old HTML archives and make them
> available on mailman01 through Apache to preserve existing URLs in
> the wild.

Do we have enough space for that?

It's 106Gb, and after copy there's still 115Gb left. It'll work for now, but the disk space required on this machine is only going to grow (because of the fulltext index mainly, but also because emails are also stored unaltered in maildirs for safekeeping). What do you think we should do? Move the HTML archives elsewhere? Just increase the disk space when needed?
 
Aurélien