Setting this property will change default archiving level for messages for every account on server for which per account default archiving level is not set. User will be able to change this value setting default modes as described in XEP-0136 section 2.4
Possible values are:
To set default level to message
you need to set default-store-method
of message-archive
processor to message
:
sess-man { message-archive { default-store-method = 'message' } }