Re: [ietf-dkim] Two issues derived from Ticket #20: signature practices

2011-04-28 Thread Alessandro Vesely
On 27/Apr/11 21:29, Dave CROCKER wrote: > On 4/27/2011 12:17 PM, Murray S. Kucherawy wrote: >> Actually if we're talking about A-R fields, RFC5451 talks plenty >> about this. Rather than duplicating advice, we should just refer >> to it. > > as long as it's informative rather than normative, that

Re: [ietf-dkim] Two issues derived from Ticket #20: signature practices

2011-04-27 Thread John R. Levine
>> +1, and also for Murray's advice of signing A-R fields. I still don't understand why, if you trust a signer enough to believe the mailing list A-R headers he signs, you don't trust him enough to deliver the mail, and, of course, why we now need to remotely verify contributor addresses when w

Re: [ietf-dkim] Two issues derived from Ticket #20: signature practices

2011-04-27 Thread Dave CROCKER
On 4/27/2011 12:17 PM, Murray S. Kucherawy wrote: > Actually if we're talking about A-R fields, RFC5451 talks plenty about this. > Rather than duplicating advice, we should just refer to it. as long as it's informative rather than normative, that seems entirely constructive. d/ -- Dav

Re: [ietf-dkim] Two issues derived from Ticket #20: signature practices

2011-04-27 Thread Murray S. Kucherawy
> -Original Message- > From: ietf-dkim-boun...@mipassoc.org [mailto:ietf-dkim-boun...@mipassoc.org] > On Behalf Of Alessandro Vesely > Sent: Wednesday, April 27, 2011 11:41 AM > To: ietf-dkim@mipassoc.org > Subject: [ietf-dkim] Two issues derived from Ticket #20: s

[ietf-dkim] Two issues derived from Ticket #20: signature practices

2011-04-27 Thread Alessandro Vesely
On 27/Apr/11 01:42, John R. Levine wrote: > I agree with Dave's changes, +1, and also for Murray's advice of signing A-R fields. However, in such case, the last phrase in Sec 7.2 (INFORMATIVE ADVICE to MUA filter writers) should be changed from To circumvent this attack, verifiers may wish to