Docs: addd note on DANE vs. LMTP

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 202c2765954dbe6d5dfe4a3d5804131904569b3a..cfdf0ca1aefba4ead339861a6977318e94295bf9 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -1,4 +1,3 @@
-
 . /////////////////////////////////////////////////////////////////////////////
 . This is the primary source of the Exim Manual. It is an xfpt document that is
 . converted into DocBook XML for subsequent conversion into printable and online
@@ -24588,7 +24587,7 @@ when the message is specified by the transport.
 .cindex "transports" "&(lmtp)&"
 .cindex "&(lmtp)& transport"
 .cindex "LMTP" "over a pipe"
-.cindex "LMTP" "over a socket"
+.cindex "LMTP" "over a unix-domain socket"
 The &(lmtp)& transport runs the LMTP protocol (RFC 2033) over a pipe to a
 specified command
 or by interacting with a Unix domain socket.
@@ -26108,6 +26107,11 @@ protocol (RFC 2033) instead of SMTP. This protocol is sometimes used for local
 deliveries into closed message stores. Exim also has support for running LMTP
 over a pipe to a local process &-- see chapter &<<CHAPLMTP>>&.
 
+.new
+&*Note*&: When using LMTP it should be considered whether the default values
+for some other features, such as DANE, are appropriate.
+.wen
+
 If this option is set to &"smtps"&, the default value for the &%port%& option
 changes to &"smtps"&, and the transport initiates TLS immediately after
 connecting, as an outbound SSL-on-connect, instead of using STARTTLS to upgrade.