-$Cambridge: exim/doc/doc-txt/NewStuff,v 1.18 2004/11/25 13:54:31 ph10 Exp $
+$Cambridge: exim/doc/doc-txt/NewStuff,v 1.19 2004/11/25 14:31:28 ph10 Exp $
New Features in Exim
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default - see 14 below), in the same way that multiple DNS records for a
single item are handled.
- The lookup fails only if all the DNS lookups fail. As long as at least one
- of them yields some data, the lookup succeeds. However, if there is a
- temporary DNS error for any of them, the lookup defers.
+ The dnsdb lookup fails only if all the DNS lookups fail. If there is a
+ temporary DNS error for any of them, the remaining lookups are still done,
+ and only if none of them succeed does the dnsdb lookup defer. As long as at
+ least one of the DNS lookups yields some data, the dnsdb lookup succeeds.
15. It is now possible to specify the character to be used as a separator when
a dnsdb lookup returns data from more than one DNS record. The default is a
2.1.168.192.black.list.tld and a.domain.black.list.tld
Once a DNS record has been found (that matches a specific IP return
- address, if specified), no further lookups are done.
+ address, if specified), no further lookups are done. If there is a
+ temporary DNS error, the rest of the sublist of domains or IP addresses is
+ tried. The dnslists item itself defers only if none of the other DNS
+ lookups in this sublist succeeds. In other words, a successful lookup for
+ any of the items in the sublist overrides a defer for a previous item.
17. The log selector queue_time_overall causes Exim to output the time spent on
the queue as an addition to the "Completed" message. Like queue_time (which
projects / exim.git / blobdiff