mike.tubby at thorcom
May 22, 2012, 9:12 AM
Post #1 of 2
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[Bug 1252] New: Add a "no_more" rule to DKIM ACL processing
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http://bugs.exim.org/show_bug.cgi?id=1252
Summary: Add a "no_more" rule to DKIM ACL processing
Product: Exim
Version: 4.80
Platform: Other
OS/Version: Windows
Status: NEW
Severity: wishlist
Priority: medium
Component: DKIM
AssignedTo: tom [at] duncanthrax
ReportedBy: mike.tubby [at] thorcom
CC: exim-dev [at] exim
When processing email with DKIM signatures by default the DKIM ACL is called
once for each of the signatures in the message ($dkim_current_signers) - there
may be none, one or more - often two signatures.
On occasions where there are more than one signature one may be correct and the
other incorrect.
In my ACL processing I often want to accept (or deny) a message based on the
DKIM signature and then cease any further processing of DKIM, i.e. terminate
the ACL - I want this for cases like where we have two signatures in the
message and the first results in "accept" and the second in "deny", or
vise-versa.
What I think is needed is something like a "no_more" clause that could be used
at the end of the ACL entry like this:
accept sender_domains = +dkim_known_signers
dkim_status = pass
logwrite = DKIM PASS: Accepted $sender_address_domain is known
signer and has good signature
add_header = :after_received:X-DKIM-Result:
Domain=$sender_address_domain Result=Good and Known Domain
no_more
So that if we have accepted it then that's the end if it.
Mike Tubby
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