On 2020-11-09 Chris Siebenmann via Exim-users <exim-users@???> wrote:
[...]
> This is all on Ubuntu 20.04 with Ubuntu's version of 4.93.
I would suggest to upgrade to 4.94 + fixes and would keep away from
anything > 4.92 and < 4.94+fixes.
A quick tests on Debian testing works as expected:
warn local_parts = ametzler
log_message = local_parts test: $local_part -- $local_part_data
2020-11-10 14:28:21 H=localhost (XXXX) [::1] Warning: local_parts test: ametzler -- ametzler
cu Andreas