Just wanna sing the praises of a superlative vendor I use for E-mail.
No schticky gimmicks, no BS. Just a high quality fairly priced service.
Over the weekend, I whipped out 'mutt' and embarked upon a massive clean out of my 7K message inbox. As someone who usually prides himself on being a Zero Inbox kind of guy, this state of affairs was - distressing :)
But I realized when the smoke cleared that I had deleted a small pile of really important (to me!) newsletters from a synth artist I follow. No problem! @fastmail Undo /Restore feature means I was able to rescue them from oblivion and safely save them away to a folder.
If you're using "free" email and are unhappy with it, I can't recommend these folks highly enough.