bundle agent exim
{

files:

  debian.server.installation::

    "/etc/exim4/exim4.conf"
      link_from => ln_s("/etc/exim4/exim-ldap-server-v4.conf"),
      move_obstructions => "true";
    "/etc/default/exim4"
      edit_line => exim_default;

  debian.!server.(workstation|minimal).installation::

    "/etc/exim4/exim4.conf"
      link_from => ln_s("/etc/exim4/exim-ldap-client-v4.conf"),
      move_obstructions => "true";
}

bundle edit_line exim_default
{

  insert_lines:

  "KRB5_KTNAME=/etc/krb5.keytab.smtp; export KRB5_KTNAME";
}