Comment 2 for bug 377571

Running newaliases
newaliases: warning: valid_hostname: misplaced delimiter: linux1.hsd1.pa.comcast.net.
newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: linux1.hsd1.pa.comcast.net.
dpkg: error processing postfix (--configure):
 subprocess post-installation script returned error exit status 75
dpkg: dependency problems prevent configuration of bsd-mailx:
 bsd-mailx depends on postfix | mail-transport-agent; however:
  Package postfix is not configured yet.
  Package mail-transport-agent is not installed.
  Package postfix which provides mail-transport-agent is not configured yet.
dpkg: error processing bsd-mailx (--configure):
 dependency problems - leaving unconfigured
Processing triggers for libc6 ...
ldconfig deferred processing now taking place
Errors were encountered while processing:
 postfix
 bsd-mailx
Log ended: 2009-05-13 14:58:30

Perhaps the trailing dot is the problem?