[Bug 625023] Re: package postfix 2.7.0-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75

[Clint Byrum]

Hi Cordeyo, thanks for taking the time to file this bug report and work
with us to make Ubuntu better!

I believe you have an invalid value int he 'myhostname' field in
main.cf:

>From DpkgTerminalLog.gz:

newaliases: warning: valid_hostname: misplaced delimiter: xubuntu.hsd1.ga.comcast.net.
newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: xubuntu.hsd1.ga.comcast.net.
dpkg: error processing postfix (--configure):
 subprocess installed post-installation script returned error exit status 75

There is a trailing period on the value. Please try modifying that value
(you may need to change it in /etc/mailname) and then running this in a
terminal:

sudo apt-get -f install

To finish configuring your system.

I do believe that the validation that postfix's configuration system has
should have stopped this from getting to this point.

Marking as Triaged, and changing summary to indicate that configuration
validation needs to be evaluated and enhanced so that users are informed
of any formatting problems at the time that they enter data. Importance
is Wishlist.

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

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

** Summary changed:

- package postfix 2.7.0-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75
+ invalid myhostname parameter allowed during configuration

-- 
invalid myhostname parameter allowed during configuration
https://bugs.launchpad.net/bugs/625023
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