Brian Carpenter wrote:
I know how to migrate mailman 2 lists to a new mailman 3 server. However I do not know how to migrate a mailman 3 list from one mailman 3 server to another one. Are there any instructions or protocol on how to accomplish this? >The Mailman 3 server I want to migrate *from* was setup using Docker. The Mailman 3 server I want to migrate these lists *to* was setup using a python virtual environment via pip.
I did this the other week, the difference I think we've got here is that I migrated the whole instance (Mailman Core's var files plus complete Postgresql database) over to the new server rather than trying to add the lists to an existing setup, which I couldn't work out either which is what prompted me to complete the server migration before adding more lists.
The only issue I ran into was not copying the Mailman Core var files to the new server, this actually gave me a bit of trouble later on as firstly Mailman doesn't create the lists directory which is what I was checking with Exim for list existence, and also I had an issue where I was missing a moderated message from the messages directory which stopped the admin interface from displaying for that list.
However if anything would help on my experience would be happy to share more info.
Andrew.