Is adding the Uncomplicated Firewall (UFW) a waste of time?

[Colin Law]

On Tue, 18 Aug 2020 at 20:52, Ian Bruntlett <ian.bruntlett at gmail.com> wrote:
>
> P.S.
>
> Then I did....
> sudo systemctl disable ufw
>
> ... and then I rebooted and did...
> systemctl status ufw
>
> ... which shows that UFW is "inactive (dead)"...
>
> ... and now I will see, over time, if this has fixed it :)

If that fixes it then it suggests that a rule you had setup was
interfering with gmail.  But I would not expect that to be an
intermittent problem.  It would either work or not.

Colin