[Toybox] Gmail being weird again.

[Mouse]

> I was mostly offline over the weekend, and gmail refused pop3 this
> morning [...]

> So I closed the tab and went to other windows, but next time I passed
> that virtual desktop I clicked "get messages" in thunderbird out of
> sheer habit... and it worked.  And I can send too.

I suspect gmail is made up of many, many machines, and not just because
I can't imagine how one machine could handle the load.

I don't normally send mail to gmail addresses because most of them
can't mail me back.  But there are a few people who have other channels
to reach me by, to whom I've sent from my own infrastructure, where I
have a user agent I can stand.

Then, a little bit ago - a month? - I tried to send to one of them and
Google rejected the mail with some babblage about it being
insufficiently authenticated.  I tried again some hours - a day? -
later and it worked fine.  I've been getting such failures
intermittently since then, to the point where I've stopped trying.

But the point here is that the failures are intermittent.  I speculate
that this happens because they're pushing a new version of their
infrastructure code to their world-facing machines gradually, so it
breaks when I happen to draw a machine with the new code on it.

And this would explain your own trouble, too: we just need to posit
that you got a new-code machine "this morning", but an old-code machine
"next time".  (Whether the new version that broke interop for me is the
same as the one that broke interop for you is perhaps interesting to
speculate about, but not very relevant from a pragmatic point of view,
even if my guess is correct.)

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