Thanks Tom! (I actually did ... finally ... get the answer, but they didn't make it easy. Of course, now that I know where it is, it IS easy, but I couldn't find it for the longest time!)
The answer was GROUPNAME@googlegroups.com
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I have set up several Google Groups which are intended primarily for use as email distribution lists for an organization. The "owner" of the groups is a gmail address for the organization that I manage (but not my personal address.) If I want to send an e-blast to one or more of the groups, how do I do that? Do I send it to GROUPNAME@gmail.com or ?????