Instead of just the forward/reply indicator, record and store to whom and when the message has been forwarded/replied to. I believe the OpenNTF template used to have this feature. It should be bakied into the Standard mail template from Lotus.
Currently, when a mail is forwarded as a reminder, the sender needs to manually add all the recipients name from the original in the new mail and add additional recipients if required. This could be avoided, if they are pre filled. Implementing this idea could benifit in following manner 1. ...