Do not account for a collector being busy by having allocated a job, but allow the collector to report itself as busy
A first iteration of configuration to allow skipping features
Set the base configuration in base, so that handlers can use them
Use the new configuration semantics
In principle, a new message being posted by LMTP is not relevant unless archiving, backup/restore or DLP is involved
The worker does not need to purge caches as fast as ~1 minute
Catch a json.loads() exception error and mark the job as failed