[Bug 1235783] Re: package dovecot-core 1:2.1.7-7ubuntu2 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[jlacy86]

The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).

Setting up dovecot-core (1:2.1.7-7ubuntu2) ...
You already have ssl certs for dovecot.
However you should move them out of /etc/ssl
and into /etc/dovecot and update the configuration
in /etc/dovecot/conf.d/10-ssl.conf accordingly.
See /usr/share/doc/dovecot-core/README.Debian.gz for details.
Creating compat symlink for /etc/ssl/private/dovecot.pem
ln: failed to create symbolic link ‘/etc/dovecot/private/dovecot.pem’: File exists
dpkg: error processing dovecot-core (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of dovecot-imapd:
 dovecot-imapd depends on dovecot-core (= 1:2.1.7-7ubuntu2); however:
  Package dovecot-core is not configured yet.

dpkg: error processing dovecot-imapd (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of dovecot-pop3d:
 dovecot-pop3d depends on dovecot-core (= 1:2.1.7-7ubuntu2); however:
  Package dovecot-core is not configured yet.

dpkg: error processing dovecot-pop3d (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 dovecot-core
 dovecot-imapd
 dovecot-pop3d

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https://bugs.launchpad.net/bugs/1235783

Title:
  package dovecot-core 1:2.1.7-7ubuntu2 failed to install/upgrade:
  ErrorMessage: subprocess installed post-installation script returned
  error exit status 1

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