Action Commands not working?

Been using Action Commands to tell me when starting or completing prints. I've noticed it has stopped sending my notices. Ei: echo "Print job completed"|mail -s "Complete" I've tried that command on the command line in a terminal and it works fine. Did something change? What should I look for? The Plugin log seems to have stopped on Oct 22?? (722.4 KB)

Selected all logs and downloaded.

Edit: Oops--more fallout from the Gmail 2 factor authentication. Had to add app-password to Pi's .msmtprc.