On Sun 18 Feb 2018, Andreas Metzler wrote: > > I have rebuilt 4.84.2-2+deb8u1 on sid and did not see a different > behavior. However running exim in a jessie chroot shows the "old" > behavior you described. (stretch does not). So I think this might have > been caused by changes outside exim.
I tried to find a copy of 4.89-2 (for amd64) to check whether downgrading again would fix it, but I failed to find that version :( Paul