Looking at the logs you provided a wrong hostname (ubuntu-
parimmax.192.168.10.101).
setting myhostname: ubuntu-parimmax.192.168.10.101
setting alias maps
setting alias database
changing /etc/mailname to ubuntu-parimmax.192.168.10.101
setting myorigin
setting destinations:
** Visibility changed to: Public
** This bug is no longer flagged as a security vulnerability
** Package changed: postfix (Ubuntu) = dpkg (Ubuntu)
** Tags added: karmic
** Package changed: dpkg (Ubuntu) = postfix (Ubuntu)
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package postfix 2.6.5-3 failed to install/upgrade: alamprotsess
