# 66. Robust OIDC Guessing Date: 2025-06-27 ## Status Accepted ## Context - The users are forced to manually enter the server url when the app fails to lookup the oidc configuration ## Decision - The app will try to guess the oidc url based on the email address with common prefixes - `email.domain` - `jmap.email.domain` - `autodiscover.email.domain` ## Consequences - The oidc discovery is more robust