X-Git-Url: https://git.distorted.org.uk/~mdw/exim-config/blobdiff_plain/17553a31d6069e8ff8e4dee0cec6d4740f68e6ae..61295d9c46bb3639fe3140ed645da5313d95e66f:/defs.m4

diff --git a/defs.m4 b/defs.m4
index 30d3fe9..69aa7b7 100644
--- a/defs.m4
+++ b/defs.m4
@@ -136,6 +136,12 @@ FOREACH(<:\
 m4_define(<:RENAME_HEADERS_REMOVE:>, <:m4_dnl
 CLRSEP<::>FOREACH(<:SEP(:)$:><:1:>, <:$1:>):>)
 
+## WARNING_HEADER(tag, msg)
+##
+## Add a warning header to the current mesage.
+m4_define(<:WARNING_HEADER:>,
+<:add_header = X-CONF_header_token-Warning: $1 $2:>)
+
 ## LOOKUP_DOMAIN(dom, [if-found], [if-not-found])
 ##
 ## Look up DOM in the master domains file.  If it's found, put the