It may be that spam filters are blocking the confirmation code email.
Settings for receiving email from specified domains
Please set your email preferences to receive emails from the following domain, or set your spam filtering settings so as not to block emails from this domain.
Whitelisted domain: geosmile.app
Check automatically sorted folders
Please check your spam folder, junk email folder, or other relevant folders to see if the email was automatically delivered to one of these folders.
If the above steps don't solve the problem
Logging in with a Google, Facebook, or Apple account does not require a confirmation code, so if you are creating a new account, please use one of these login methods.