Hello, can you get a backtrace?
1. Add deb http://debug.mirrors.debian.org/debian-debug/ sid-debug main to /etc/apt/sources.list 2. Install exim4-daemon-light-dbgsym libgnutls-dane0-dbgsym libgnutls30-dbgsym libhogweed6-dbgsym libnettle8-dbgsym libtasn1-6-dbgsym libp11-kit0-dbgsym 3. root@argenau:~# gdb /usr/sbin/exim4 2>&1 | tee /tmp/exim4.backtrace [...] set pagination 0 run -t < /path/to/test [crashes ....] backtrace full info registers x/16i $pc thread apply all backtrace quit If this does not work retry but do set follow-fork-mode child before the run command. TIA, cu Andreas