*** This bug is a duplicate of bug 377211 ***
https://bugs.launchpad.net/bugs/377211
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 377211, so it is being marked as such. Please look
** Attachment added: DpkgTerminalLog.txt
http://launchpadlibrarian.net/38209445/DpkgTerminalLog.txt
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package postfix None [modified: /var/lib/dpkg/info/postfix.list] failed to
install/upgrade: subprocess pre-installation script returned error exit status 1