[Bug 649559] Re: package postfix 2.7.0-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75

[Mathias Gug]

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

According to the log file:

newaliases: warning: valid_hostname: numeric hostname: 1
newaliases: fatal: file /etc/postfix/main.cf: parameter mydomain: bad parameter value: 1
dpkg: error processing postfix (--configure):
 subprocess installed post-installation script returned error exit status 75

Please fix your hostname to be a valid hostname.

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

** Changed in: postfix (Ubuntu)
   Importance: Undecided => Low

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package postfix 2.7.0-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75
https://bugs.launchpad.net/bugs/649559
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