We have created a rule that automatically replies to all e-mails.

This is what happens:

User B sends a message to User A.
User B received the automatic reply.
When User A replies to User B a message is Sent to User B and User A.
It bounces between users 3 times.
When User A replies only User B is listed in the TO field

How the rule is configured:
When event is: New Item
And items are: nothing selected.
Define Conditions: Act on all items
Item types: nothing selected
Then Actions are: Reply

If I select Received for And items are, it works fine. BUT we want all users to receive the e-mail even if they already received the auto-reply.

This also happens when User A creates or forwards an e-mail.

Any ideas on how to solve this?