Apparently, signing off your emails with ‘Best’ is ‘something close to a brush-off’

“I sign most of my emails with ‘Best’, especially when I don’t know the person particularly well, and I definitely don’t mean it as a brush-off. ‘Sincerely’ is too formal, ‘Warmest regards’ is a lie (you can’t give absolutely everyone your warmest regards), and ‘xoxo’…I’m not a girl. So “Best” it is…don’t take it the wrong way.”