dpkg: error processing postfix (--configure)

Avi Greenbury lists at avi.co
Sat Aug 25 23:15:26 UTC 2012

Thufir wrote:

> Postfix configuration was not changed.  If you need to make changes,
> edit /etc/postfix/main.cf (and others) as needed.  To view Postfix 
> configuration
> values, see postconf(1).
> After modifying main.cf, be sure to run '/etc/init.d/postfix reload'.

This is purely informational

> Running newaliases
> postalias: fatal: open /etc/postfix/aliases: No such file or directory
> dpkg: error processing postfix (--configure):
>  subprocess installed post-installation script returned error exit
> status 1

this is an error. The problem is that /etc/postfix/aliases doesn't
exist but is cited somewhere in main.cf in a line that looks like this:

alias_database = hash:/etc/postfix/aliases

(from your postconf output). Hash that line out and do 

  apt-get install postfix ; apt-get -f install

and it should succeed. You may then want to do

  dpkg-reconfigure postfix

or at least have a check over the files yourself to make sure all your
config is having Postfix do the sort of things you want it to be


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