From cd6a4c65a63737f2368f7a6aa0cf701b1e260069 Mon Sep 17 00:00:00 2001 From: Jeremy Harris Date: Mon, 3 Feb 2020 18:12:36 +0000 Subject: [PATCH] Incompatibility warning --- src/README.UPDATING | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/README.UPDATING b/src/README.UPDATING index 94a1420eb..f99afc1bd 100644 --- a/src/README.UPDATING +++ b/src/README.UPDATING @@ -31,11 +31,16 @@ Exim version 4.94 Some Transports now refuse to use tainted data in constructing their delivery location; this WILL BREAK configurations which are not updated accordingly. - In particular: any Transport use of $local_user which has been relying upon check_local_user far away in the Router to make it safe, should be updated to replace $local_user with $local_part_verified. +Attempting to remove, in router or transport, a header name that ends with +an asterisk (which is a standards-legal name) will now result in all headers +named starting with the string before the asterisk being removed. We recommend +staying away from such names, if they are private ones (and in case of future +enhancements, alao header names that look like REs). + Exim version 4.93 ----------------- -- 2.25.1