@Kbobish @alexandrakesman This is normally related to permission or security settings in the Production environment.
Check you are System Admin and there's no restrictions around "Locking IPs to origination"
Simple post-refresh script that scans email fields for given object names and appends .sandbox to invalid emails in data sandboxes:
https://t.co/fhXEoDRUPL
@CharlesMicah The apps are fully open sourced on GitHub, so I can't guarantee complete privacy on the Heroku instance but they can run the app on their own server or locally if they wish