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http://bugs.exim.org/show_bug.cgi?id=1062 --- Comment #17 from Simon Arlott <[email protected]> 2011-02-22 21:29:28 --- (In reply to comment #14) > Exim needs a real looping structure or al least remove the 20 nested ACL > restriction. You can do anything with ${sg...}: This is a partial extract of an ACL condition used to check all MX hosts in multiple blacklists: deny set acl_m1 = ${lookup dnsdb{>|defer_never,mxh=$sender_address_domain}} !condition = ${if eq{}{$acl_m1}} dnslists = <; \ ${sg{space separated list of blacklist domains which MUST NOT be empty}{ }{/<|\$acl_m1;}}/<|$acl_m1 message = MX $dnslist_matched for $sender_address_domain is blacklisted by $dnslist_domain.\n$dnslist_text log_message = dnslist-mx ($dnslist_matched)\ ${map{<,$dnslist_value}{ \ ${lookup{$dnslist_domain=$item}lsearch{/etc/exim/conf/blacklists}{$value}{$dnslist_domain/$item}}\ }} Note: if the inner list expands to "", Exim will check the list "" for the hostname, which (if it has an A record) is then true. I have a lookup that uses "localhost" if not found so that the dnslist lookup for "example.com.localhost" returns NXDOMAIN. See bug #458 for another example of looping with ${sg...} (http://bugs.exim.org/show_bug.cgi?id=458#c16). -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at http://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##
