While a client is offline q.address is not available for checks. The checks and indexing must be caught up on when the client is online again and the synchronization has been executed.
q.address saves the addresses which have already been verified. The addresses taken from the Offline-Client during the synchronization should be verified promptly to ensure their correctness. In addition only addresses verified and indexed by q.address can be recognized as duplicate candidates. Also the error-tolerant search find addresses only after verification and the associated indexing.
The verification of these addresses is initiated manually via the menu function q.address | Batch processing: