On Tue, Feb 03, 2004 at 08:04:36PM -0500, Philip Gladstone wrote:
| I had wondered whether this should be integrated into SPF as well. A
| single statement in section 2.2.2:
|
| If the DNS lookup returns NXDOMAIN, then the SPF processing must abort
| and return "fail".
|
| Note that this is not as strong as saying that a domain must be able (in
| theory) to handle mail. It is a cheaper operation as well, since only
| the return code needs to be checked.
This is a good idea, but it would have to be at the top level only.
Once you get into includes, NXDOMAIN becomes okay.
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