Even though they can’t post, they do some random things such search queries,
or seemingly trying to hack the auth system:
Job exception: Net::SMTPAuthenticationError
(google_oauth2) Authentication failure! invalid_credentials: OAuth2::Error, invalid_grant: Bad Request { "error": "invalid_grant", "error_description": "Bad Request" }
(google_oauth2) Authentication failure! csrf_detected: OmniAuth::Strategies::OAuth2::CallbackError, csrf_detected | CSRF detected