Gary wrote on 05/11/2009 03:56:12 PM:

> Is it possible to add a line in the header of a list that will make
> the post be
> delivered to the original person who made the post?
> Default-Options = repro
> Will this make that happen?

As others wrote, this will apply to new subscribers.

For existing subscribers, they will need to update their subscription
options.

http://www.lsoft.com/manuals/15.5/htmlhelp/list%20subscribers/WorkingwithMailingLists.6.1.html#2347428