Desde hace ya unas semanas me esta saliendo este error cada vez que hago apt-get upgrade
root@debian:/home/elisur/Downloads# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
iceweasel
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up exim4-daemon-light (4.84.2-2+deb8u3) ...
Job for exim4.service failed. See 'systemctl status exim4.service' and 'journalctl -xn' for details.
invoke-rc.d: initscript exim4, action "start" failed.
dpkg: error processing package exim4-daemon-light (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of exim4:
exim4 depends on exim4-daemon-light | exim4-daemon-heavy | exim4-daemon-custom; however:
Package exim4-daemon-light is not configured yet.
Package exim4-daemon-heavy is not installed.
Package exim4-daemon-custom is not installed.
dpkg: error processing package exim4 (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
exim4-daemon-light
exim4
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@debian:/home/elisur/Downloads# apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up exim4-daemon-light (4.84.2-2+deb8u3) ...
Job for exim4.service failed. See 'systemctl status exim4.service' and 'journalctl -xn' for details.
invoke-rc.d: initscript exim4, action "start" failed.
dpkg: error processing package exim4-daemon-light (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of exim4:
exim4 depends on exim4-daemon-light | exim4-daemon-heavy | exim4-daemon-custom; however:
Package exim4-daemon-light is not configured yet.
Package exim4-daemon-heavy is not installed.
Package exim4-daemon-custom is not installed.
dpkg: error processing package exim4 (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
exim4-daemon-light
exim4
E: Sub-process /usr/bin/dpkg returned an error code (1)