On Wed, 31 Oct 2001 bhoc@??? wrote:
> I am using exim as a mail gateway and have set up two transports - one for
> inside -> out and one for outside -> in (the latter sending directly to the
> smarthost instead of peeking at MX records).
>
> The customer now wants to filter the messages so that attachments
> containing potentially harmful content (*.exe, *.vbs etc) are being
> bounced. The system filter available on ftp does exactly that.
> Unfortunately, we want to activate the filter only on one transport, ie
> leaving messages to the outside world untouched. I could add an additional
> check for 'not-to-filter-destination-domains' near the top of said filter -
> but is there a more elegant or 'officially recommended' way of achieving
> this?
i suspect that would be transport_filter; however you can't use
eximfilter here (or exim needs to be invoked in a way i don't know)
but you need a "regular" unix filter.
