
I even said "off the chain MAIL!"
And she still wants to go.
The Big Bang Theory Season 10, Episode 17

And I know you were there
because I saw you through the MAIL slot.
The Big Bang Theory Season 6, Episode 9

Be sure to check the MAIL.
The Big Bang Theory Season 5, Episode 7

You changed the address
on the building? What about MAIL?
The Big Bang Theory Season 4, Episode 5

That's because they're allowed
to monitor your MAIL,
Breaking Bad Season 4, Episode 9