[Bug 1003305] Re: package postfix (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 75

[Serge Hallyn]

Thanks for reporting this bug.

The upgrade log shows:

	Running newaliases
	newaliases: warning: valid_hostname: invalid character 40(decimal): ruben-laptop.(null)
	newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: ruben-laptop.(null)

Please find the line in /etc/postfix/main.cf which reads something like:

        myhostname = ruben-laptop.@

and remove the '.' and everything after that.  That should allow
newaliases to complete.

If you continue to have trouble, please reply to this message.

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

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

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https://bugs.launchpad.net/bugs/1003305

Title:
  package postfix (not installed) failed to install/upgrade: subprocess
  installed post-installation script returned error exit status 75

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