On 19/03/2023 17:42, Ian Z via Exim-users wrote:
X-Original-Foo: the-ur-foo
Foo: the-no-longer-ur-foo
I am not thinking of a header with addresses here, so Exim's rewrite
mechanism doesn't apply. Is there a "best" or "accepted" way to do
this? In particular, can I do this in an ACL:
By "Stacking", I mean the common pattern where
Foo: the-ur-foo
is rewritten into
X-Original-Foo: the-ur-foo
Foo: the-no-longer-ur-foo
I am not thinking of a header with addresses here, so Exim's rewrite
mechanism doesn't apply. Is there a "best" or "accepted" way to do
this? In
