If unknown user was found from auth cache, we returned an invalid value instead of USERDB_RESULT_USER_UNKNOWN.
If unknown user was found from auth cache, we returned an invalid value
instead of USERDB_RESULT_USER_UNKNOWN.

Distrotech/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot