On 30/10/2021 11:56, Dominik Vogt via Exim-users wrote: > No idea to what values of the upper case variables are in the
> first place. Are they defined at compile time; is there a way to
> look them up, other than from the Debian src package?
They are macros, not variables. They will be defined somewhere
else in the configuration, before the places they are used.
"exim -bP macro <name-of-macro>" can be used to look one up.
--
Cheers,
Jeremy