Hi,

On Mon, May 12, 2008 at 2:47 PM, Zbigniew Szalbot
<[EMAIL PROTECTED]> wrote:
> I beg your patience with me. Can you help me generate an appropriate DNS
> entry for DKIM?

> 1/ I do NOT use domainkeys, nor do I plan to do so.
> 2/ I ONLY use DKIM and all mail sent from lists.lc-words.com is signed with
> DKIM signature.

> If I drop the "o=-" entry, that will just mean that some of the
> lists.lc-words.com mail may be signed with domainkeys, right?

Yes.
There is no tag for stating a policy that the site does not sign any messages.


> If so, what should the correct DNS entry for DKIM look like?
> I did look at http://www.elandsys.com/resources/sendmail/dkim.html
> where they suggest
> mail._domainkey.example.com. IN TXT "k=rsa;
> entry, so in my case should it be
> _domainkey.lists.lc-words.com IN TXT "krsa;
> ?

TXT RR for pubkey is generated with dkim-genkey(8),
and I seems that you've already got one for
``lcwords._domainkey.lists.lc-words.com''.


> I currently have:
> _domainkey.lists.lc-words.com. 2640 IN  TXT     "o=-\;"

DKIM Signatures rfc (rfc4871) does not use _domainkey TXT RR as policy
statement.
It's only for DomainKeys.


``_asp._domainkey.'' is for that purpose (as in draft-ietf-dkim-ssp).

e.g.
 _asp._domainkey.example.com. IN  TXT     "dkim=all"
means messages from example.com is always signed.


Regards,

-- 
    Hirohisa Yamaguchi
      [EMAIL PROTECTED]

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