Scott,
Nothing distributed from Yahoo Groups since 8:14pm CST on 1-29-2018 as far as I can tell.
Yesterday a member of Y!GMF complained that no email was going through her groups, but that posting via the site still worked. I replied by email, received the pending notice by email, and approved by email and that all worked. However, there's been no activity since. So...
Hm... A test post by email hasn't come through yet, but it is only a few minutes so far.
Notably the web interface seems to be responding much more quickly than had been the case.
Shal
Shal Farley