[ietf-dkim] ISSUE: Revise wildcard discussion
lear at cisco.com
Mon Jun 2 00:59:30 PDT 2008
Frank Ellermann wrote:
> Identifying TXT records by initial "tags" such as "v=spf1" is easy
> as long as the desired TXT record has an unambiguous version tag.
> The various ADSP drafts fail to provide the essential version tag
> for their identification, this is no general TXT wildcard problem.
> The general TXT problem is the *size* of all RXT records combined,
> and the various ADSP drafts refuse to share SPF records for their
> limited size needs.
While I myself am leaning away from TXT records for other reasons, this
is not one of them. ADSP is a bit more safe because like DKIM it uses a
_adsp label. If you look up a TXT record with that label it makes less
sense to expect anything other than ADSP.
More information about the ietf-dkim