Automated response per domain

[Glenn Steen]

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On 22/12/05, Jeff Mills <Jeff.Mills at pocold.com.au> wrote:
> Hi all,
> we're in the process of changing domain names due to the company being sold.
> We would like to have an auto response sent to users who send mail to our old domain informing them of the change.
>
> I am running MailScanner version 4.45.4 and postfix, sending to an Exchange 2003 server.
>
> Does anyone know if this is possible at the MailScanner gateway, or in Exchange?
>
> Cheers,
> Jeff
>
It should be possible to do at all three stages (PF, MS, and
barfbag... eh Exchange). One "spiffy" thing you can do is to make a
header check (in PF) that'd reject the messages with a nice
"user at addr.ess has moved to user at newad.ress"... That way you'd need
spend less effort/resources.

Downside is that the sender would receive an NDN with the nice reject
code/message "semi-hidden" in the usual gunk. You could probably test
this fairly easy by just rejecting one user (that you control) and try
sending to it from an external account... That way you'd get a good
feel for what'd look like. Shouldn't involve any downtime at all:-).
Another bad thing is that the NDN would be formatted according to how
the sending MTA does that kind of things. I think the term is "hidden
in technological gibberish":-).

ISTR Jules recently added some feature that could be used for this...
Not at a MS machine ATM though, so can't check.

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

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