This is when you sit with your email account open, continually refreshing the page to see if you have received any new mail.

The instant that you hit the 'refresh' button and spontaneously receive a new email is the defining moment in email roulette, accompanied by a surge of adrenaline and sense of wonder/curiousity with regard to the new message.

Got the covid-19 vaccine

Opening an e-mail and it's attachments in public view without vetting the contents first.