[New: openFATE 309342] Do not loose Hermes events ever.

Feature added by: Adrian Schröter (adrianSuSE) Feature #309342, revision 1 Title: Do not loose Hermes events ever. Buildservice: New Priority Requester: Desirable Requested by: Adrian Schröter (adriansuse) Description: Store non-deliverable hermes notification and deliver later. -- openSUSE Feature: https://features.opensuse.org/309342