OT: Sendmail REJECT or DISCARD preference

[Glenn Steen]

On 31/03/2008, Matt Kettler <mkettler at evi-inc.com> wrote:
> Matt Kettler wrote:
>  > Peter Farrow wrote:
>
> >> So I'll carry on doing a discard thanks,
>  >>
>  >
>  > For your case, you probably should.
>  >
>  > However, please stop misrepresenting the facts. REJECT works very well
>  > if properly implemented, and doesn't flood your postmaster box. However,
>  > properly implemented means having it on all of your MX servers, not a
>  > back-end server.
>  >
>  > If you're filtering on a back-end server, or any other point after the
>  > DATA phase of the SMTP session has been OKed by a server in your
>  > network, then REJECT is a bad idea. At that point, a REJECT
>  > fundamentally has to result in a post-delivery bounce, because the
>  > message has already been delivered.
>
>
> <snip>
>
>
>  >
>  > This is really all very, very basic mail administrator knowledge.
>
>
>
> Note: At this point, I'm withdrawing from the thread. I encourage others to read
>  the statements made in the above post, and I stand by them as basic truths of
>  mailserver administration.
>
>  I also accept that many of my earlier statements in this thread aren't
>  applicable to Peter's situation, as he is implementing his filtering in a
>  downstream server, not at the MX where most of the rest of us do it.
>
>  However this is all really OT and there's no need to flood the list with basic
>  mailserver administration topics that aren't directly related to MailScanner.
>
CC.

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se