Hi,
This list - Announce-l - was the list used by Wikizine. But Wikizine is gone and this is an WMF list, so I will transfer this list back so it can be possibly used for something else.
If you wish to unsubscribe you can do that on the page linked here; https://lists.wikimedia.org/mailman/options/announce-l
Or send me an email; wvermeir AT gmail DOT com
... and I will do it manually for you.
If you have not objections to stay on the lists and see what, if ever, will come, you do not need to do anything.
Greetings, Walter
announce-l@lists.wikimedia.org