This is a case where there would be an advantage to an SPF RR, you
could then just wildcard it into the subzones.
But you can still do this with a synthentic record, it just won't
cache.
-----Original Message-----
From: owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
[mailto:owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com]On Behalf Of
mengwong(_at_)dumbo(_dot_)pobox(_dot_)com
Sent: Wednesday, March 03, 2004 8:58 PM
To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
Subject: [spf-discuss] solving the demon problem
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.
but if we add a match_subdomains modifier to domain.com's record, we
can allow subdomain lookups and the problem is solved!
what do people think?
domain.com IN TXT "v=spf1 -all match_subdomains=1"
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