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Re: Updating SPF type99 and TXT RR's: Simultaneity is not guaranteed.

2005-08-11 06:25:45
* Mark Shewmaker:

Section 4.5. of the spec, "Selecting Records" says that if you're
querying for both SPF and TXT record types that:

|   2.  If there are both SPF and TXT records in the set and if
|       they are not all identical, return a "PermError".

This leads to a problem.

Indeed.  Unfortunately, SPF as specified is riddled with similar
problems:

  <http://www.enyo.de/fw/software/exim/spf-update.html>

I urge the SPF folks to consider the updates mentioned at the end of
the document.  The eleven-step update procedure to implement a simple
IP address change should provide some incentive to do this.


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