> I use gmail, but I still delete stuff. I don't really like the "never
> delete an email again" idea - it makes it harder to find what I want.

I don't.
The "labels", which are approximately equivalent to mailboxes, make it
reasonably easy to separate what from  chaff.
You can cause incoming emails to skip the inbox and have labels  added
as desired.
You can click on "All Mail"  to see what's new and then use searches like

              label: ItsRubbish

or multiple labels eg

             label: unread label:PICLIST

to select desired subsets.

Archiving allows you to semi delete things.



               R
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