1.1 --- a/imiptools/handlers/resource.py	Tue Oct 28 22:59:00 2014 +0100
     1.2 +++ b/imiptools/handlers/resource.py	Tue Oct 28 23:01:26 2014 +0100
     1.3 @@ -4,7 +4,7 @@
     1.4  Handlers for a resource.
     1.5  """
     1.6  
     1.7 -from imiptools.content import Handler, format_datetime, to_part
     1.8 +from imiptools.content import Handler, format_datetime, get_address, get_uri, to_part
     1.9  from vCalendar import to_node
    1.10  
    1.11  class Event(Handler):
    1.12 @@ -78,6 +78,8 @@
    1.13              scheduled = self.can_schedule(freebusy, periods)
    1.14  
    1.15              attendee_attr["PARTSTAT"] = scheduled and "ACCEPTED" or "DECLINED"
    1.16 +            if self.messenger and self.messenger.sender != get_address(attendee):
    1.17 +                attendee_attr["SENT-BY"] = get_uri(self.messenger.sender)
    1.18              self.details["ATTENDEE"] = [(attendee, attendee_attr)]
    1.19  
    1.20              event = to_node({"VEVENT" : [(self.details, {})]})