package amavisd-new 1:2.10.1-4ubuntu1 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

[lorenzo d'amato]

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ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: amavisd-new 1:2.10.1-4ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
Date: Wed May 31 23:18:54 2017
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
InstallationDate: Installed on 2016-11-22 (190 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4
SourcePackage: amavisd-new
Title: package amavisd-new 1:2.10.1-4ubuntu1 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
UpgradeStatus: Upgraded to zesty on 2017-05-30 (1 days ago)

[Nish Aravamudan (nacc)]

From the log:

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; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2017-05-31 23:18:54 CEST; 9ms ago
     Docs: man:systemd-sysv-generator(8)
  Process: 15460 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: The value of va…en
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: a fully qualifi…h.
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: You must explic…me
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: in /etc/amavis/…'s
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: network name!
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr amavis[15460]: (failed).
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr systemd[1]: amavis.service: Cont…=1
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr systemd[1]: Failed to start LSB:…r.
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr systemd[1]: amavis.service: Unit…e.
mai 31 23:18:54 lorenzo-KT600AA-ABF-a6443-fr systemd[1]: amavis.service: Fail…'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: erreur de traitement du paquet amavisd-new (--configure) :

It would appear amavisd is refusing to start due to some configuration value, but I'm unable to see which one. Would it be possible to provide the output from the commands mentioned:

systemctl status amavis.service

and

journalctl -xe

[Launchpad Janitor (janitor)]

[Expired for amavisd-new (Ubuntu) because there has been no activity for 60 days.]