(I'm not the most technical person, so feel free to correct imprecisions or add better suggestions) It feels like a blast from the past, but it turns out there's still a fair amount of Yahoo/AOL users that are part of our community.
Just a fair warning: as has been known for a while now (at least 2013 https://phabricator.wikimedia.org/T58414), yahoo (and AOL?) emails through mailman lists are often treated as spam by gmail email recipients.
This has gotten worse: I understand Yahoo may have blacklisted lists.wikimedia.org altogether, and emails are bouncing. I noticed for some 50-100 email Yahoo and AOL addresses on the Wiki Loves Monuments mailing list that they bounced back, and eventually got automatically unsubscribed.
So if you or a friend has a Yahoo or AOL email address - you/they may be at risk of being unsubscribed from (some?) Wikimedia mailing lists without notification. The only 'fix' that you can do, that I'm aware of, is slowly moving to a different provider, if you want to be active on these lists.
The issue is being tracked without much visible activity here: https://phabricator.wikimedia.org/T232417 (there may be more relevant tickets).
Best, Lodewijk