Preparing to unpack .../sasl2-bin_2.1.26.dfsg1-14build1_amd64.deb ...
Unpacking sasl2-bin (2.1.26.dfsg1-14build1) over (2.1.26.dfsg1-14build1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for systemd (229-4ubuntu11) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up sasl2-bin (2.1.26.dfsg1-14build1) ...
Job for saslauthd.service failed because the control process exited with error code. See "systemctl status saslauthd.service" and "journalctl -xe" for details.
invoke-rc.d: initscript saslauthd, action "start" failed.
dpkg: error processing package sasl2-bin (--configure):
 subprocess installed post-installation script returned error exit status 1