} -----Original Message-----
} From: Alex van den Bogaerdt
[mailto:alex(_at_)ergens(_dot_)op(_dot_)het(_dot_)net]
} Sent: Tuesday, January 09, 2007 11:50 PM
} To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
} Subject: Re: [spf-discuss] Re: [spf-devel] Re: Another test case for the
} test suite...
}
} On Tue, Jan 09, 2007 at 11:25:27PM -0500, Scott Kitterman wrote:
}
} > The reason the spec says to use the non-error response if you get an
} error for
} > one RR type and a non-error for the other RR type is that some DNS
} servers
} > will never answer for unknown RR Types. So these DNS servers will
} always
} > return a timeout (which is an error) for type SPF.
}
} Scott,
}
} Are you saying here you can point to RFC4408 and justify returning
} "None" in the discussed case where looking for SPF does not return
} an error, and looking for TXT does?
}
}
} I can understand your justification when SPF times out and TXT does not,
} but we're discussing the opposite?
The order should not matter. RFC4408 does not favor SPF or TXT records. At
least as I read it.
From 3.1.1:
An SPF-compliant domain name SHOULD have SPF records of both RR
types. A compliant domain name MUST have a record of at least one
type. If a domain has records of both types, they MUST have
identical content.
4.4. Record Lookup
In accordance with how the records are published (see Section 3.1
above), a DNS query needs to be made for the <domain> name, querying
for either RR type TXT, SPF, or both. If both SPF and TXT RRs are
looked up, the queries MAY be done in parallel.
If all DNS lookups that are made return a server failure (RCODE 2),
or other error (RCODE other than 0 or 3), or time out, then
check_host() exits immediately with the result "TempError".
Guy
}
} TIA
} Alex
}
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