I'd like to use a "plussed" address in mailing lists (eg. shiva+mailmain-developers@sewingwitch.com) and I'm wondering if anyone has proposed changing the mailman filtering to match a plussed member name with the unplussed equivalent? In other words, I'd like to subscribe to a list using the plussed address, but post with the unplussed address.

This sorta fits under the List Membership items in the wishlist (http://www.gnu.org/software/mailman/todo.html).