One of two ways spring to mind immediately:
1. Ask them.
2. Turn it on and monitor bounces/field complaints.
I would obviously prefer the first were I one of
your users, but YMMV.
Tony Finch wrote:
On Thu, 7 Oct 2004, Daniel Taylor wrote:
If you use forwarding addresses it is your responsibility
to make certain that you take it into account when performing
forgery and spam checks.
And how am I supposed to find out all my users' forwarding addresses?
Tony.
--
Daniel Taylor VP Operations Vocal Laboratories, Inc.
dtaylor(_at_)vocalabs(_dot_)com http://www.vocalabs.com/
(952)941-6580x203