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From: Joe Wong on 11 Jul 2010 10:15
but I want to preserve "<>" as envelope sender for bounce message, doable?

On Sun, Jul 11, 2010 at 10:06 PM, Ralf Hildebrandt
<Ralf.Hildebrandt(a)charite.de> wrote:
> * Joe Wong <joewong99(a)gmail.com>:
>> Yes, on the same machine.
>>
>> The reason I want to do this is I have sender_dependent_relay_host map
>> defined, it didn't work with null email sender "<>".  I want to
>> forward all by bounce to another host for some processing first, so
>> have the idea of creating this 'bounce' postfix instance. Any thought?
>
> Simply set the envelope sender to a domain/hostname which ends up on
> the other host.
>
> That's it.
>
> --
> Ralf Hildebrandt
>  Geschäftsbereich IT | Abteilung Netzwerk
>  Charité - Universitätsmedizin Berlin
>  Campus Benjamin Franklin
>  Hindenburgdamm 30 | D-12203 Berlin
>  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
>  ralf.hildebrandt(a)charite.de | http://www.charite.de
>
>

From: /dev/rob0 on 11 Jul 2010 10:22
Top-posting fixed. Please don't do that. Thank you.
> On Sun, Jul 11, 2010 at 9:56 PM, Ralf Hildebrandt
> <Ralf.Hildebrandt(a)charite.de> wrote:
> > * Joe Wong <joewong99(a)gmail.com>:
> >> Hello,
> >>
> >>   I am looking for a way to configure a 2nd postfix instance for
> >> handle mail bounce only. Is it possible?
> >
> > 2nd instance on the same machine?

On Sun, Jul 11, 2010 at 10:00:40PM +0800, Joe Wong wrote:
> Yes, on the same machine.
>
> The reason I want to do this is I have sender_dependent_relay_host
> map defined, it didn't work with null email sender "<>". I want to
> forward all by bounce to another host for some processing first, so
> have the idea of creating this 'bounce' postfix instance. Any
> thought?

Yes. I think you are solving the wrong problem. Why do you have so
many bounces that this would matter?
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