On 09/04/01, at 8:02am -0400, Frank Bax <firstname.lastname@example.org> wrote:
>Is there a way to include the original subscriber email address in any
>headers? We are getting several bounced messages for email addresses that
>are not in our mailing list. The only reason I can think of is that
>messages are being forwarded; and bounce message only tells me the
>forwarded address, not the original one.
If that, indeed, is what's happening, the bounces from the addresses in the
expansion address subscribed to your mailing list won't necessarily contain the
needed headers identifying the culprit subscriber either.