Re: [ietf-dkim] draft-ietf-dkim-mailinglists-02 review

> --On 13 September 2010 10:19:05 -0400 "MH Michael Hammer (5304)" 
> <MHammer(_at_)ag(_dot_)com> wrote:
> > I agree that if a signing domain publishes discardable then the MLM
> > should discard it.
> If the message is unsigned, right? Otherwise, it should reject it at SMTP 
> time (actually, that might be done by the MTA rather than the MLM). In fact 
> the MTA should reject (at SMTP time) rather than discard such messages, 
> I think.
If it's signed, I agree there's little downside to rejecting it.  But 
since they said it's discardable, there's little advantage to doing so, 
either.
A disadvantage is that it requires the SMTP daemon to do a lot of work, 
do the whole DKIM validation and ADSP lookup before deciding whether to 
reject. You can discard any old time, no need to do it while the TCP 
session is open.
R's,
John

smime.p7s
Description: S/MIME Cryptographic Signature

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