X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/0ad2e0fcde2f23e3809687095bddb31f9af4896e..aeaf5db33f20a06399b8b15630cd2f5e9755e38a:/doc/doc-docbook/spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index a102ad790..d78797fb7 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -9736,7 +9736,7 @@ ${sort{3:2:1:4}{<}{$item}}
 .endd
 sorts a list of numbers, and
 .code
-${sort {$lookup dnsdb{>:,,mx=example.com}} {<} {${listextract{1}{<,$item}}}}
+${sort {${lookup dnsdb{>:,,mx=example.com}}} {<} {${listextract{1}{<,$item}}}}
 .endd
 will sort an MX lookup into priority order.
 
@@ -16084,7 +16084,7 @@ See &%smtp_ratelimit_hosts%& above.
 See &%smtp_ratelimit_hosts%& above.
 
 
-.option smtp_receive_timeout main time 5m
+.option smtp_receive_timeout main time&!! 5m
 .cindex "timeout" "for SMTP input"
 .cindex "SMTP" "input timeout"
 This sets a timeout value for SMTP reception. It applies to all forms of SMTP
@@ -16099,6 +16099,10 @@ SMTP data timeout on connection from...
 The former means that Exim was expecting to read an SMTP command; the latter
 means that it was in the DATA phase, reading the contents of a message.
 
+If the first character of the option is a &"$"& the option is
+expanded before use and may depend on
+&$sender_host_name$&, &$sender_host_address$& and &$sender_host_port$&.
+
 
 .oindex "&%-os%&"
 The value set by this option can be overridden by the
@@ -34939,8 +34943,8 @@ selection marked by asterisks:
 &`*etrn                       `&  ETRN commands
 &`*host_lookup_failed         `&  as it says
 &` ident_timeout              `&  timeout for ident connection
-&` incoming_interface         `&  incoming interface on <= lines
-&` incoming_port              `&  incoming port on <= lines
+&` incoming_interface         `&  local interface on <= and => lines
+&` incoming_port              `&  remote port on <= lines
 &`*lost_incoming_connection   `&  as it says (includes timeouts)
 &` outgoing_port              `&  add remote port to => lines
 &`*queue_run                  `&  start and end queue runs
@@ -35059,12 +35063,16 @@ routing email addresses, but it does apply to &"byname"& lookups.
 client's ident port times out.
 .next
 .cindex "log" "incoming interface"
+.cindex "log" "local interface"
+.cindex "log" "local address and port"
+.cindex "TCP/IP" "logging local address and port"
 .cindex "interface" "logging"
 &%incoming_interface%&: The interface on which a message was received is added
 to the &"<="& line as an IP address in square brackets, tagged by I= and
 followed by a colon and the port number. The local interface and port are also
-added to other SMTP log lines, for example &"SMTP connection from"&, and to
-rejection lines.
+added to other SMTP log lines, for example &"SMTP connection from"& and to
+rejection lines
+and (despite the name) the local interface is added to &"=>"& lines..
 .next
 .cindex "log" "incoming remote port"
 .cindex "port" "logging remote"