+ Typically this hook is used to perform additional query-based
+ tagging on the imported messages.
+
+**post-insert**
+ This hook is invoked by the **insert** command after the message
+ has been delivered, added to the database, and initial tags have
+ been applied. The hook will not be run if there have been any
+ errors during the message delivery; what is regarded as successful
+ delivery depends on the ``--keep`` option.
+
+ Typically this hook is used to perform additional query-based
+ tagging on the delivered messages.