From: Gerard Whelan (no email)
Date: Wed Dec 01 2004 - 11:04:40 EST
Hi Victor,
Thanks for your reply. Unfortunately I can't do that - I did think
of that idea but it was rebuffed in here. It's just our policy in
here. We would rather not be a SPAM relay and work around everything
else. At the moment about 90% of the connections postfix is trying to
establish to our primary MTA is being refused. All main mail
administrator said that if we reduce the number of connections postfix
is trying to establish then more mails will get through. I think it
is worth a try - any ideas on how to reduce the SMTP connections?
Thanks.
On Wed, 1 Dec 2004 10:39:00 -0500, Victor Duchovni
<> wrote:
> On Wed, Dec 01, 2004 at 03:33:08PM +0000, Gerard Whelan wrote:
>
> > I am using postfix-2.1.1-3.rh8 at the moment and it is configured
> > as an MX backup. Currently Postfix relays to a primary MTA - but the
> > primary MTA has been configured to deny connection from a client that
> > is trying to connect all the time - we have done this in order to
> > reduce the chance of a trusted client relaying spam through our
> > primary MTA.
>
> Don't rate limit your backup MX host! Apply similar controls at the
> backup MX, and whitelist the backup MX and disable all rate limits
> on the primary MX.
>
> --
> Viktor.
>
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