Bill Hayles wrote:
> Hi, Steffen
>
> On Mon, 7 Mar 2011 18:08:45 +0100 in message number
> <[email protected]>, received here on
> 08/03/2011 10:56:38, "Steffen Heil" <[email protected]> said:
>
> > Most recipients will drop mails that are FOR
> > and FROM them... This is a classical spam approach.
>
> Is there any way of doing this in Exim? It would be useful.
Bill,
You could do something like this:
warn
condition = ${if eq {${lc:$sender_address}}{${lc:$local_part@$domain}} }
sender_domains = +relay_to_domains
!hosts = +relay_from_hosts : *.paypal.com [or any other exemptions you
need]
!local_parts = [put your exemptions here]
set ACL_STATUS = SameAddr
Then do what you want with the ACL_STATUS flag (or just write it as a "deny" if
you don't need any more flexibility).
Note the exemptions - you will almost certainly need some for genuine purposes.
Regards
Richard
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