Yes, I think google groups still does it, but I'm going to have to work
with orgs that block pretty much everything google by default (government
defense contractors) so that might be a challenge.
And I know Microsoft 365 offers lots of ways to collaborate via Teams, but
everything I've seen is fo
I haven't used it in a few years, but my recollection was that Google
groups did allow adding anybody. I just took a look at our domain admin
page, and I was able to add a non-domain email to a group, but there may be
some limitations I don't know about.
It does seem like many organizations are mo
