package:argonaut-client:(not installed)
Setting up amavisd-new (1:2.11.0-1ubuntu1) ...
Creating/updating amavis user account...
Job for amavis.service failed because the control process exited with error code.
See "systemctl status amavis.service" and "journalctl -xe" for details.
invoke-rc.d: initscript amavis, action "start" failed.
● amavis.service - LSB: Starts amavisd-new mailfilter
   Loaded: loaded (/etc/init.d/amavis; generated)
   Active: failed (Result: exit-code) since Mon 2018-06-04 18:39:14 PDT; 5ms ago
     Docs: man:systemd-sysv-generator(8)
  Process: 19274 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

Jun 04 18:39:13 barry-HP-Pavilion-Notebook systemd[1]: Starting LSB: Starts amavisd-new mailfilter...
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]: Starting amavisd:   The value of variable $myhostname is "barry-HP-Pavilion-Notebook", but should have been
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]:   a fully qualified domain name; perhaps uname(3) did not provide such.
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]:   You must explicitly assign a FQDN of this host to variable $myhostname
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]:   in /etc/amavis/conf.d/05-node_id, or fix what uname(3) provides as a host's
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]:   network name!
Jun 04 18:39:14 barry-HP-Pavilion-Notebook amavis[19274]: (failed).
Jun 04 18:39:14 barry-HP-Pavilion-Notebook systemd[1]: amavis.service: Control process exited, code=exited status=1
Jun 04 18:39:14 barry-HP-Pavilion-Notebook systemd[1]: amavis.service: Failed with result 'exit-code'.
Jun 04 18:39:14 barry-HP-Pavilion-Notebook systemd[1]: Failed to start LSB: Starts amavisd-new mailfilter.
dpkg: error processing package amavisd-new (--configure):
 installed amavisd-new package post-installation script subprocess returned error exit status 1