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Re: solving the demon problem: use the zonecut

2004-05-06 06:24:21
On Mon, Apr 26, 2004 at 08:16:33AM -0500, wayne wrote:
| 
| I would like to see the zonecut check be made offical.  What do others
| think?
| 

Wayne, in your testing of libspf-alt, how has the zonecut algorithm
worked out for you?  Is it a useful technique?  Have there been any
nonconformant cases?

| Here is the post I made:
| 
| 
| In <20040304015740(_dot_)651B7584(_at_)dumbo(_dot_)pobox(_dot_)com> 
mengwong(_at_)dumbo(_dot_)pobox(_dot_)com (Meng Weng Wong) writes:
| 
| > so suppose domain.com publishes SPF.
| >
| > but workstation.domain.com does not.
| >
| > right now SPF tells you to publish an SPF record for every single
| > subdomain that has either A or MX.  but that's yucky.
| 
| I agree, it is very yucky.
| 
| One of the things that is on my TODO list for libspf-alt is to use
| the res_findzonecut function to find the zone cut and look for SPF
| records there.
| 
| I suggestion that this is the "best" way to handle this missing SPF
| records for subdomains.
| 


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