On Wed, 31 Oct 2001 bhoc@??? wrote:
> 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?
If you want per-recipient filtering (which is essentially what this is,
because one message may have both internal and external recipients) you
need to set up per-recipient filtering. See section 47.3 of the manual.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.