New OS/os.c-cygwin from the maintainer.

[users/heiko/exim.git] / doc / doc-txt / NewStuff

diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff
index 383c0f6f4fab857ac060e61b84b28d91e3f7c9d1..053bdabab7db40bb3e2e14da756edaac67d23f50 100644 (file)
--- a/doc/doc-txt/NewStuff
+++ b/doc/doc-txt/NewStuff
@@ -1,4 +1,4 @@
-$Cambridge: exim/doc/doc-txt/NewStuff,v 1.28 2005/03/22 14:11:54 ph10 Exp $
+$Cambridge: exim/doc/doc-txt/NewStuff,v 1.30 2005/03/22 16:52:06 ph10 Exp $
 
 New Features in Exim
 --------------------
@@ -46,12 +46,20 @@ PH/02 A new expansion item for dynamically loading and calling a locally-
 
       set in Local/Makefile. The facility is not included by default (a
       suitable error is given if you try to use it when it is not there.)
-      You load and call the function like this:
+
+      If you enable EXPAND_DLFUNC, you should also be aware of the new redirect
+      router option forbid_filter_dlfunc. If you have unprivileged users on
+      your system who are permitted to create filter files, you might want to
+      set forbid_filter_dlfunc=true in the appropriate router, to stop them
+      using ${dlfunc to run code within Exim.
+
+      You load and call an external function like this:
 
         ${dlfunc{/some/file}{function}{arg1}{arg2}...}
 
-      Once loaded, Exim remembers it so that it doesn't reload it in the same
-      Exim process (but of course Exim does start new processes frequently).
+      Once loaded, Exim remembers the dynamically loaded object so that it
+      doesn't reload the same object file in the same Exim process (but of
+      course Exim does start new processes frequently).
 
       There may be from zero to eight arguments to the function. When compiling
       a local function that is to be called in this way, local_scan.h should be
@@ -79,6 +87,9 @@ PH/02 A new expansion item for dynamically loading and calling a locally-
       you need to add -shared to the gcc command. Also, in the Exim build-time
       configuration, you must add -export-dynamic to EXTRALIBS.
 
+TF/01 $received_time is a new expansion variable containing the time and date
+      as a number of seconds since the start of the Unix epoch when the
+      current message was received.
 
 Version 4.50
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