paul.osborne at canterbury
Feb 16, 2012, 9:13 AM
Post #2 of 3
(195 views)
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Forget that last message.
A cup of tea, a sit down and doing something else does wonders.
:)
Paul
> -----Original Message-----
> From: paul.osborne [at] canterbury
> [mailto:paul.osborne [at] canterbury]
> Sent: 16 February 2012 16:18
> To: exim-users [at] exim
> Subject: [exim] control flow in ACLs
>
> Hi,
>
> I suspect I am missing the obvious here and am fairly certain that I
am
> suffering from wood for trees syndrome, so apologies in advance for
> sounding like an idiot.
>
> I have a whole load of ACLs that work fine for HELO tests, sender
> verification etc etc:
>
> deny message = Restricted characters in address
> domains = +all_domains
> local_parts = ^[.] : ^.*[@%!/|]
> log_message = "Restricted characters in address"
>
> deny message = Rejected, $sender_host_address
listed
> in $dnslist_domain\n$dnslist_text
> dnslists = zen.dnsbl.domain.masked
> log_message = Found in $dnslist_domain
> ($dnslist_value) SPAMHAUS-DENY
>
> require verify = sender
> log_message = "Unable to verify sender:
> $sender_address"
>
>
> What I want to do is, if the incoming email matches any of our white
> lists to be able to selectively bypass selected ACL statements. So
for
> example if I know that mail is coming in from friendly.host.com (as it
> is whitelisted) - which I can match, log and set an acl variable on:
>
> warn senders = +whitelisted_senders
> log_message = "whitelisted sender"
> set acl_m_whitesender = true
>
> This is straight forward enough.
>
> The bit that has me scratching my head (well banging against a desk
> today), is combining the newly set acl variable with an if condition
in
> an ACL statement later on in order to give control flow.
>
> So for example:
>
> deny message = Rejected, $sender_host_address
> listed in $dnslist_domain\n$dnslist_text
> condition = ${if !eq
> {acl_m_whitesender}{true}}
> dnslists = zen.dnsbl.domain.masked
> log_message = Found in $dnslist_domain
> ($dnslist_value) SPAMHAUS-DENY
>
>
> I know I am probably missing the obvious - but it has been a long day!
>
> Many thanks
>
> Paul
>
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