Support PIPECONNECT with helo_data using the local IP, when interface is known.

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 0ac98d668ca2a76c6c92ee6abdf8f7eeb1cd55f3..7f96768f7cde6d92b137daf4ce00268ce6483add 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -25582,7 +25582,10 @@ so combines well with TCP Fast Open.
 See also the &%pipelining_connect_advertise_hosts%& main option.
 
 Note:
-When the facility is used, the transport &%helo_data%& option
+.new
+When the facility is used, if the transport &%interface%& option is unset
+the &%helo_data%& option
+.wen
 will be expanded before the &$sending_ip_address$& variable
 is filled in.
 A check is made for the use of that variable, without the