Jose Borges Ferreira:
> On Mon, Sep 15, 2014 at 10:24 PM, Wietse Venema <[email protected]> wrote:
> > When you follow the include: directives you get lists of net/mask
> > forms that are easy to convert to postscreen.
> >
> > $ host -t txt spf1.amazon.com | tr ' ' '\12' | sed -n '/^ip.:/{
> > s/^ip.:\(.*\)/\1 permit/
> > p
> > }' | sort -u
> >
> > I thought there would be a nice script that converts SPF net/mask
> > lists to postscreen access lists but I could not quickly find one.
> >
> I also searched and found none.
>
> Usually I use https://dmarcian.com/spf-survey/amazon.com ( see last
> section : Record flattening ) for manual lookups.
> It's also nice because it shows record errors and warning like
> invalid ( or not so valid ) CIDR blocks or too many DNS lookups (
> https://dmarcian.com/spf-survey/tam.com.br )
I'm working on a Perl script that parses relevant parts of SPF
syntax, and that's about 80% done.
Wietse