At the bottom of every message is the link to use: https://lists.sourceforge.net/lists/listinfo/gramps-users . Go there (The Gramps-users info page, and near the top is the Gramps-users
Archives link. That will take you to the archives in SourceForge. There is a "search" function there, but it's a little tricky to find. Mouse over the "Mailing Lists" item under "Gramps", and you should see a drop-down menu. The last item is "search".
Thank you for the tip on searching sourceforge. I had not
in my browser I was able to see that drop-down menu, with
the search pointer you mentioned. I will investigate it.