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| author | Phil Pennock <pdp@exim.org> | 2011-03-22 09:37:32 -0400 |
|---|---|---|
| committer | Phil Pennock <pdp@exim.org> | 2011-03-22 09:37:32 -0400 |
| commit | e97d1f088ab357d806bff8b7d5f3fce068a85989 (patch) | |
| tree | b1d5e77b34c176b8c11feacd28db68ebcf6c74e1 /doc/doc-docbook | |
| parent | 0e944a0d8501ebf6ff71c652a48bd38b984f4450 (diff) | |
Added dns_use_edns0 main option.
Is int because need a "do not override default" option, but that stops
us from using the bool expansion logic and so we need to explicitly
set numbers. Should try to find a way around that.
Diffstat (limited to 'doc/doc-docbook')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 0ea36fa50..5cfa344c0 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -12669,6 +12669,7 @@ See also the &'Policy controls'& section above. .row &%dns_ipv4_lookup%& "only v4 lookup for these domains" .row &%dns_retrans%& "parameter for resolver" .row &%dns_retry%& "parameter for resolver" +.row &%dns_use_edns0%& "parameter for resolver" .row &%hold_domains%& "hold delivery for these domains" .row &%local_interfaces%& "for routing checks" .row &%queue_domains%& "no immediate delivery for these" @@ -13301,6 +13302,19 @@ to set in them. See &%dns_retrans%& above. +.new +.option dns_use_edns0 main integer -1 +.cindex "DNS" "resolver options" +.cindex "DNS" "EDNS0" +If this option is set to a non-negative number then Exim will initialise the +DNS resolver library to either use or not use EDNS0 extensions, overriding +the system default. A value of 0 coerces EDNS0 off, a value of 1 coerces EDNS0 +on. + +If the resolver library does not support EDNS0 then this option has no effect. +.wen + + .option drop_cr main boolean false This is an obsolete option that is now a no-op. It used to affect the way Exim handled CR and LF characters in incoming messages. What happens now is |