If this feature is enabled MUC messages are stored in Message Archiving repository and are added in same way as for any other messages and
jid of MUC room is used as
jid of message sender, so if MUC message sent from
firstname.lastname@example.org was stored then to retrieve this messages
email@example.com needs to be passed as
with attribute to message retrieve request.
Retrieved MUC messages will be retrieved in same format as normal message with one exception - each message will contain
name attribute with name of occupant in room which sent this message.
This feature is by default disabled but it is possible to enable it for particular user. Additionally it is possible to change default setting on installation level and on hosted domain level to enable this feature, disable feature or allow user to decide if user want this feature to be enabled. For more information about configuration of this feature look at the section called “Configuration of automatic archiving of MUC messages”