found a hint somewhere to change /var/lib/dpkg/info/spamassassin.postinst
Change su - $OWNER -c "sa-update --gpghomedir /var/lib/spamassassin/sa-update-keys \ --import /usr/share/spamassassin/GPG.KEY" to su - $OWNER -s /bin/bash -c "sa-update --gpghomedir /var/lib/spamassassin/sa-update-keys \ --import /usr/share/spamassassin/GPG.KEY" now it works dpkg --configure spamassassin maybe a side effect of new? standard shell /bin/sh -> dash and incompatible /etc/profile -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1421984 Title: do-release-upgrade LTS 12.04.5 -> 14.04.1 --- package spamassassin 3.4.0-1ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/spamassassin/+bug/1421984/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs