[Bug 766833] Re: package postfix 2.7.0-1ubuntu0.1 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 75

[James Page]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

It would appear that you installation is not configured with a valid
hostname (see error message in comment #2).

You will need to resolve this issue before postfix will startup
correctly.  You can do this by editing /etc/hostname to contain a valid
hostname OR you can set the myhostname configuration parameter in
/etc/postfix/main/cf.

Please update this bug report if this resolves your issue.

Thanks

** Changed in: postfix (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/766833

Title:
  package postfix 2.7.0-1ubuntu0.1 failed to install/upgrade: el
  subproceso instalado el script post-installation devolvió el código de
  salida de error 75