On Wed, May 12, 2010 at 04:24:36PM +1200, Jim Cheetham wrote:
> My exim server listens on localhost and the external interface, and on
> ports 25 & 587.
>
> There are therefore 4 combinations available for connections. It strikes
> me that testing for these in an ACL would be useful; for example the
> only time I want to accept email "From:" an external address is when it
> arrives on the public IP, port 25.
>
> In pseudo-code, I want to "ACCEPT if Src=remote, Dst=public:25, Auth=no,
> From=non-local domain, To=local domain" (followed by "REJECT
> From=non-local domain") in order to represent "normal incoming email"
> and avoid relaying.
>
> However, I can't see the ACL conditions that would allow me to test for
> the destination IP/port ... how can I do this?
Construct a "condition" line which tests $received_ip_address, $received_port.
Regards,
--
Dave Evans
http://djce.org.uk/
http://djce.org.uk/pgpkey
