...

# Django : 2014-02-28
# DKIM-Keys für automatisch generierte Domainliste definieren
  open(filehandle,'/etc/postfix/all_local_domains_map')
    or die "Can't open domain-list-file: $!";
       while (<filehandle>)
             {
              chomp; s/\s*#.*$//; next if $_ eq '';
              dkim_key($_, '140228', '/var/amavis/dkim/dkim-key-140228.pem', h=>'sha256');
             }
  close(filehandle) or die "Can't close domain-list-file: $!";

# Django : 2014-02-07
#@local_domains_maps = ( [".$mydomain"] );      # list of all local domains
@local_domains_maps = ( read_hash("/etc/postfix/all_local_domains_map") );