Prep for 4.76 release. Version bumps, ChangeLog update.

[users/heiko/exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 0ea36fa50878b215a76a3f1501fdc03957d03251..fb272181809fd68b1ad7b679139fbb5f405f9fa8 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -48,7 +48,7 @@
 . /////////////////////////////////////////////////////////////////////////////
 
 .set previousversion "4.75"
-.set version "4.75"
+.set version "4.76"
 
 .set ACL "access control lists (ACLs)"
 .set I   "    "
@@ -172,12 +172,12 @@
 <bookinfo>
 <title>Specification of the Exim Mail Transfer Agent</title>
 <titleabbrev>The Exim MTA</titleabbrev>
-<date>21 Jan 2011</date>
+<date>06 May 2011</date>
 <author><firstname>Exim</firstname><surname>Maintainers</surname></author>
 <authorinitials>EM</authorinitials>
 <revhistory><revision>
-  <revnumber>4.75</revnumber>
-  <date>21 Feb 2011</date>
+  <revnumber>4.76</revnumber>
+  <date>06 May 2011</date>
   <authorinitials>EM</authorinitials>
 </revision></revhistory>
 <copyright><year>2011</year><holder>University of Cambridge</holder></copyright>
@@ -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