I manage our training room in our office. We have 22 PCs, every PC has an e-mail address that is redirected to one inbox. Whenever i recieve an e-mail invitation I don't see who it was sent to. So I have to try every e-mail/password in order to accept the invitation.
It would be VERY helpful if the invitation e-mail would include the e-mail address it was sent to. Such as in "Hello xyz. abc has invted you to join..." I could then accept the invitation much faster.