On Thu, Mar 28, 2019 at 11:55 AM, Abbie Taylor wrote:

but the groups.io site seems to be under maintenance

No, it isn't and hasn't been, at least not for any period of time during the hours from 9 AM to 12 AM EDT over the last several days.  I use the web interface exclusively, and have remained logged in for days and days now.  The web interface hasn't had a single "burp" during that period.
 
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Brian - Windows 10 Home, 64-Bit, Version 1809, Build 17763  

The Internet is so big, so powerful and pointless that for some people it is a complete substitute for life.
          ~ Andrew Brown (1938-1994)