Re: sendmail.cf

Chris Horry:
> Magnus B=E4ck wrote:
> | On Tuesday, October 19, 2004 at 12:31 CEST,
> | Chris <list@tellme3times.com> wrote:
> |
> |>Magnus B=E4ck wrote:
> |>
> |>>Set the sender address to the address to which you want to receive
> |>>errors.
> |>
> |>I did. As I mentioned it works well when the domain is invalid. When
> |>the user is invalid in the to field it bounces back to nobody.
> |>
> |>Have I missed something in a config someplace?
> |
> | Postfix sends bounces to the envelope sender address. Support for
> | Errors-To was dropped 20040120. Show logs.
>
> Why was support removed? Genuine curiousity.

First of all this header is non-standard, so you can't depend on
it being recognized by other MTAs.

Secondly, it's a great way to route around sender access restrictions.
With this feature gone, the destination of bounces can be scrutinized
by validating the envelope sender.

Wietse