To be more specific, this means we have a mailbox where our customer sends mail to and about 9 people should be able to be connected to this mailbox seeing the incoming messages and those, that have been answererd or seen). Of course, they should be able to answer, delete or move mails.
Well, seen state is per user, so you won't know if someone else read the message. If you allow all of these users to store message flags ('w' right), then you will know when someone else replied via the \Answered flag. Similarly, allowing the 'd' right will allow the messages to be marked as \Deleted.
You could have a convention of using user-defined labels for messages to indicate that someone is taking care of it (which is what I am assuming you are interested in for the Seen flags). If this is for something like help desk support, you can make it work (I did at a previous job), but setting up a real ticket system isn't that hard and is a lot easier to use.
-- John A. Tamplin Unix System Administrator Emory University, School of Public Health +1 404/727-9931
