[horde] Automatic updating of an event

[Alexa Rodriguez]

It might be possible that when accepting the invitation to an event  
this(the event) be updated automatically in the calendar of the person  
who created it without opening the mail confirmation.

That is to say, if I create an event and invite the user X and the  
user X accept my invitation, I would need that the "acceptance to the  
event" is updated automatically in my calendar, is this possible?

Thanks in advance!!

Aleka!