Use an error service - Honeybadger, Airbrake, Rollbar, BugSnag, Sentry, Exceptiontrap, Raygun, etc. They're all similar in feature sets and pricing but pick one and use it. The error service will send you an email every time there is an exception in a job (Smarter ones like Honeybadger will send email on the 1st, 3rd and 10th identical error so your inbox won't be overwhelmed if 1000s of jobs are
