Eventually, he gave it up, and she sent back a smiley face.

FORBES: Google's Advanced Email Security Can't Protect Users From Their Own Stupidity

It follows Smiley's visit to a veteran operative who keeps honeybees in his back yard.

WSJ: Young Adult | Tinker Tailor Soldier Spy | Nervy 'Young Adult' Dazzles by the Book | Film Review by Joe Morgenstern