On Mon, 5 Feb 2001 12:52:04 -0500 (EST), woods@??? (Greg A.
Woods) wrote:
>[ On Monday, February 5, 2001 at 04:35:24 (+0100), Marc Haber wrote: ]
>> Subject: [Exim] How to get rid of bounces on a secondary MX?
>> we have a machine A that serves as secondary MX for some domains, and
>> as primary MX for some other domains. A does not do any local
>> deliveries, everything is passed on to other machines via SMTP.
>>
>> When a mail from outside comes in on A, and the primary MX for that
>> domain refuses the message, our postmaster gets the bounce.
>
>At this point in the history of the Internet I think it's important to
>realize that one should not use any secondary MXes unless you own and
>control thos servers entirely and can make it honour exactly the same
>filtering rules as your primary.
err, I was refering to the "no such user" kind of bounce, not to the
"no spam here" kind.
>An independent secondary MX is simply not necessary in a fully connected
>Internet, no matter how unreliable the primary might be.
Nevertheless, customers demand it. And for some other customers, we
are only mailgate because the customers are clueful enough to not let
an Exchange talk directly to the outside world.
Greetings
Marc
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Marc Haber | " Questions are the | Mailadresse im Header
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