I find it very odd that someone constantly deletes emails and never keeps any. I have emails going back 10 years. (Like two hundred or so....)
However, WHY would anyone have 81,000 UNREAD emails?
All I can think of is it's a throwaway email that someone uses for various message forums, and they log into it once a year.
No way would someone's regular email that they use all the time, have 81,000 unread emails in it.
@GorgonLondon
Completely off topic but you've been together two years and you're married already?
I thought that too. But whenever I say something like that, a bunch of people come on and say.........
'married within 6 months here..... still together after 33 years.'
'my parents married within 19 days..... still together 57 years later....' 
Most couples I know don't get married for at LEAST 4 or 5 years - not in the 21st century...
As I said, yeah it is odd to delete everything (especially very recent stuff,) and I'm afraid I would be suspicious if my DH deleted everything. I mean why??? 
If I had a DH or DP who deleted everything, I would think they were hiding something. I mean delete shit you don't need anymore, but no way does anyone have NOTHING that they need to keep, and no way does anyone need to delete stuff as soon as they get it. Very odd IMO.
@RidingWindHorses
you sound very young OP.
Probably one of the most patronising and condescending things anyone can say. 