I have always had bounce on religiously - but lately I have been wondering if its such a good idea. I think it is contributing to all the spam crap flying around these days.
I think its best to keep bounce messages off and just delete all messages that go to invaliduser@domain.com. I think this would greatly reduce the congestion.
I am curious, do i leave catch-all blank and do the images go to /dev/null?
Thanks!