Je n'ai plus d'idée dpkg-reconfigure roundcube-core
a échoué sans raison. J'ai réinstallé roundcube plusieurs fois, sans effet. Il semble que ce soit un problème de dpkg sur Ubuntu 16.04 LTS
Voici quelques erreurs
apt-get install --reinstall debconf
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
php-sqlite3 php7.0-sqlite3 sqlite3
Use 'apt autoremove' to remove them.
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 213 not upgraded.
Need to get 0 B/136 kB of archives.
After this operation, 0 B of additional disk space will be used.
Preconfiguring packages ...
dpkg: warning: files list file for package 'roundcube-core' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'roundcube-mysql' missing; assuming package has no files currently installed
(Reading database ... 331508 files and directories currently installed.)
Preparing to unpack .../debconf_1.5.58ubuntu1_all.deb ...
Unpacking debconf (1.5.58ubuntu1) over (1.5.58ubuntu1) ...
Setting up debconf (1.5.58ubuntu1) ...
Processing triggers for man-db (2.7.5-1) ...