Re: [exim] Out of Office and collateral spam

On Wed, 2007-12-19 at 11:49 +0000, ROGERS Richard wrote:
> Hi -
>
> We have an Exchange system with an Exim/Linux gateway for incoming mail.
>
> We are under increasing pressure to allow Exchange Out of Office
> autoreplies to be sent to off site senders. So far I have been able to
> resist this, partly on the basis that allowing it creates collateral
> spam. However, I fear that the day may come (and it could be quite soon)
> when Management will decide that the business case for allowing it is
> going to override such considerations.
>
> If this happens, has anyone got a good way to prevent, or at least
> minimise, the collateral spam problem?

Make sure that your autoresponses are sent like bounces -- with empty
reverse-path, and to the reverse-path of the original incoming mail.
Which means, I believe, that you shouldn't let Exchange do it. Exchange
is broken in that respect, IIRC.

--
dwmw2