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Troubleshooting setting up Gmail as a custom email address
If you're receiving an error when trying to setup your gmail account as a custom email address, then there're few things you could try. Solution A: 1. Visit https://accounts.google.com/b/0/DisplayUnlockCaptcha and click "continue". 2. Go back to the settings page and try to save the custom email again. Solution B: 1. Go to https://myaccount.google.com/device-activity and allow
Error: 404 Not Found, no applications registered for host
If you tried to setup your custom domain and getting the error "404 Not Found, no applications registered for host", then try to disable HTTP Proxy and use DNS only setting for the record.