>Hi
>
>I'm use MAPI/Redemption to read emails from the users Inbox, I'm then storing the EntryID, processing the data, and then marking that EntryID to prevent the application from processing it again. However, the SAME email may well be in several users Inbox, as they're all part of an email group, so my question is this:
>
>If the SAME email appears in the Inbox of several users, will the EntryID of that email be indentical for EACH inbox?
>
>Regards

You could try to find the answer like this:
I sent a message to two TO addresses. As far as I see, EntryIDs appear to be different.

Good Luck