Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hector Santos
- Original Message - From: Michael Thomas [EMAIL PROTECTED] To: Hector Santos [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; ietf-dkim@mipassoc.org Sent: Monday, August 07, 2006 1:53 AM Subject: Re: [ietf-dkim] How to reconcile passive vs active? Hector Santos wrote: Even then, the main

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread william(at)elan.net
On Sun, 6 Aug 2006, Michael Thomas wrote: Hector Santos wrote: Even then, the main issue are the potential damages that are being ignored. My wife said it best when asked why even the BIG companies like WALMART, YAHOO, CISCO, AOL.COM, BIGBANK should also support strong policies: I

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Mark Delany
On Sun, Aug 06, 2006 at 10:53:21PM -0700, Michael Thomas allegedly wrote: Hector Santos wrote: Even then, the main issue are the potential damages that are being ignored. My wife said it best when asked why even the BIG companies like WALMART, YAHOO, CISCO, AOL.COM, BIGBANK should

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Stephen Farrell
Mark Delany wrote: All indications on this list are that a good number of us think yes, so the strong policy position needs comprehensive coverage in your requirements I-D. Chair-ish quibble: I think the positions exposed on the list must of course be covered in reqs-00, but I also think

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hector Santos
- Original Message - From: Stephen Farrell [EMAIL PROTECTED] Chair-ish quibble: I think the positions exposed on the list must of course be covered in reqs-00, but I also think the more words that are used to do that, the more disagreement we'll get. Put another way, I hope no-one

Re: [ietf-dkim] What are the security problems of DKIM-BASE worh addressing with policy Concepts?

2006-08-07 Thread Wietse Venema
Hector Santos: [ Charset UTF-8 unsupported, converting... ] - Original Message - From: Mark Delany [EMAIL PROTECTED] It obvious that there are two relatively strong viewpoints: one the passive that Dave describes and one the active that, amongst others, I describe. ...

Re: [ietf-dkim] SSP requirements

2006-08-07 Thread Damon
On 8/5/06, Hector Santos [EMAIL PROTECTED] wrote: - Original Message - From: John L [EMAIL PROTECTED] To: Michael Thomas [EMAIL PROTECTED] That's a pretty reasonable question, frankly. The set of domains that would actually benefit from SSP from the consensus I've seen seems like

Re: [ietf-dkim] The problem with sender policy

2006-08-07 Thread Damon
I believe that without policy records (we can discuss the particulars later), the rest is useless. Regards, Damon Sauer On 8/5/06, william(at)elan.net [EMAIL PROTECTED] wrote: On Sat, 5 Aug 2006, John L wrote: In no way does accreditation=DKIM But policy records are in a way. Lets look at

Re: [ietf-dkim] I sign everything is not a useful policy

2006-08-07 Thread Damon
+1 I don't agree with everything in DSAP and would take you to task on one or two. However, I believe that it is doable in our lifetimes and if we worked really hard, could be worked out in this working session. Without it, SSP's a big piece of duct tape. Regards, Damon Sauer On 8/6/06, Hector

[ietf-dkim] Invalid rhetorical moves

2006-08-07 Thread Hallam-Baker, Phillip
I have noticed a number of rhetorical moves here that are deprecated in IETF circles 1) Recourse to the IESG Unless you are on the IESG you should not claim to speak for it. It is ridiculous to see people who have never been on the IESG, have no similar experience and have not even

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Michael Thomas
Stephen Farrell wrote: Mark Delany wrote: All indications on this list are that a good number of us think yes, so the strong policy position needs comprehensive coverage in your requirements I-D. Chair-ish quibble: I think the positions exposed on the list must of course be covered in

RE: [ietf-dkim] SSP requirements

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of Michael Thomas Douglas Otis wrote: An another policy that might be considered would be one for the DKIM client I'm sorry, I have no idea what a dkim client is. Can you in as few of words as possible tell me what that is? In a

Re: [ietf-dkim] SSP requirements

2006-08-07 Thread Damon
The DKIM authentication convention could be noted at the EHLO by having the host-name for the client utilize a _dkim. prefix. This prefix signals the mode of authentication made possible by the DKIM convention claiming this prefix. This could fall into the same realm as the key, and From policy

RE: [ietf-dkim] The problem with sender policy

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of John L It's true, I don't, and I've been trying to figure out why not. It finally came to me: senders are not the right people to judge their own importance. True but senders can state whether: 1) They have been accredited as a financial

RE: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of Michael Thomas Even then, the main issue are the potential damages that are being ignored. My wife said it best when asked why even the BIG companies like WALMART, YAHOO, CISCO, AOL.COM, BIGBANK should also support strong policies: I

RE: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of Dave Crocker 2. I think that the passive/active difference involves a superset/subset relationship. That is, I think that the active begins with the statements made in the passive mode, about the sender/signer, but extends them to tell the

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hector Santos
- Original Message - From: Dave Crocker [EMAIL PROTECTED] That's helpful, but probably not enough. We still need to understand why such specification is essential to the specification and why we believe it will work. Dave, in my opinion, every aspect has been discussed, debated,

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
1) Signature Validates: 2) Signature fails to validate because the originator screwed up 3) Signature fails to validate because the sender screwed up 4) Signature fails to validate because of an intermediary acting for the recipient (mailing list, forwarder, etc.). The first case is success,

Re: [ietf-dkim] What are the security problems of DKIM-BASE worh addressing with policy Concepts?

2006-08-07 Thread Scott Kitterman
On Monday 07 August 2006 03:10, Hector Santos wrote: - Original Message - From: Mark Delany [EMAIL PROTECTED] It obvious that there are two relatively strong viewpoints: one the passive that Dave describes and one the active that, amongst others, I describe. ... Do we try

RE: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hallam-Baker, Phillip
From: Damon [mailto:[EMAIL PROTECTED] Speaking as a real live, currently employed, sysadmin (numbers bigger than all the scientists in the entire world put together --- just kidding with you Phillip)... Yikes! Do I need a separate email for when I am living out of a suitcase for 6

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Arvel Hathcock
I don't think it's really sunk in as to how small the set of senders who will find this useful is, or how disruptive it will be if you accidentally set it when it doesn't apply to you. From my perspective, the number needn't be small at all. Small organizations with their own mail

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
On 8/7/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Damon Can we figure something else out that doesn't require me (or my 200k+) users to have to remember two separate addresses, the cases to use each, and remember what the second one is the first time they have to use it in 5 years? as a

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Steve Atkins
On Aug 7, 2006, at 10:31 AM, Arvel Hathcock wrote: I don't think it's really sunk in as to how small the set of senders who will find this useful is, or how disruptive it will be if you accidentally set it when it doesn't apply to you. From my perspective, the number needn't be small at

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Arvel Hathcock
Do I need a separate email for when I am living out of a suitcase for 6 months at Holiday Inn too? Sorry but, honestly, is this still a big problem in today's world? We solved this long again didn't we? Who is using the hotel's email system who can not also get to their corporate email

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
On 8/7/06, Hallam-Baker, Phillip [EMAIL PROTECTED] wrote: For the companies spending seven to eight figure sums as a result of phishing the rule 'no mailing list subscriptions from a corporate account' is probably both viable and desirable. I am not saying that we should only design the spec

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
On 8/7/06, Arvel Hathcock [EMAIL PROTECTED] wrote: Do I need a separate email for when I am living out of a suitcase for 6 months at Holiday Inn too? Sorry but, honestly, is this still a big problem in today's world? We solved this long again didn't we? Who is using the hotel's email

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Douglas Otis
On Aug 7, 2006, at 9:39 AM, Hallam-Baker, Phillip wrote: Cisco is not a typical email user, it is not currently a target of the type of attack that would make one want to publish strong policy. Mike is correct to suggest that Cisco represent a typical domain sending and receiving email.

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Steve Atkins
On Aug 7, 2006, at 11:10 AM, Dave Crocker wrote: Steve Atkins wrote: From my perspective, the number needn't be small at all. Small organizations with their own mail processing infrastructure can with ... Even when it decreases overall deliverability? That is to say, causes legitimate

Re: [ietf-dkim] remote access

2006-08-07 Thread Scott Kitterman
On Monday 07 August 2006 14:17, Dave Crocker wrote: Do I need a separate email for when I am living out of a suitcase for 6 months at Holiday Inn too? Sorry but, honestly, is this still a big problem in today's world? We solved this long again didn't we? Who is using the hotel's email

[ietf-dkim] SSP False positives/negatives

2006-08-07 Thread Dave Crocker
Steve Atkins wrote: A lot of the controversy about SSP is based on false positives - mail that was signed when sent but is not signed when received. I know that various people have been looking at the cases where that can happen, but I don't recall seeing any quantitative results

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Michael Thomas
Steve Atkins wrote: A lot of the controversy about SSP is based on false positives - mail that was signed when sent but is not signed when received. I know that various people have been looking at the cases where that can happen, but I don't recall seeing any quantitative results presented. If

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hector Santos
- Original Message - From: Steve Atkins [EMAIL PROTECTED] To: DKIM List ietf-dkim@mipassoc.org Even when it decreases overall deliverability? That is to say, causes legitimate email to be treated as forgeries and, likely, discarded. The fraudulent mail covered are for 0% FALSE

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
Here is the scenario: My CEO calls me and says, I sent an email to the SEC and they never got it! - I tell him to hang on whilst I check the logs (and I finish my bagel) ... We are showing a successful delivery. I will get hold of the postmaster at the SEC an figure it out. So I spend half a day

RE: [ietf-dkim] SSP False positives/negatives

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of Dave Crocker Steve Atkins wrote: A lot of the controversy about SSP is based on false positives - mail that was signed when sent but is not signed when received. I know that various people have been looking at the cases where that can

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Douglas Otis
On Aug 7, 2006, at 12:27 PM, Hector Santos wrote: From: Steve Atkins [EMAIL PROTECTED] Even when it decreases overall deliverability? That is to say, causes legitimate email to be treated as forgeries and, likely, discarded. The fraudulent mail covered are for 0% FALSE POSTIVES.

RE: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Hallam-Baker, Phillip
[mailto:[EMAIL PROTECTED] On Behalf Of Damon Here is the scenario: My CEO calls me and says, I sent an email to the SEC and they never got it! - I tell him to hang on whilst I check the logs (and I finish my bagel) ... We are showing a successful delivery. I will get hold of the

Re: [ietf-dkim] How to reconcile passive vs active?

2006-08-07 Thread Damon
On 8/7/06, Hallam-Baker, Phillip [EMAIL PROTECTED] wrote: [mailto:[EMAIL PROTECTED] On Behalf Of Damon Here is the scenario: My CEO calls me and says, I sent an email to the SEC and they never got it! - I tell him to hang on whilst I check the logs (and I finish my bagel) ... We are

Re: [ietf-dkim] SSP False positives/negatives

2006-08-07 Thread Hector Santos
- Original Message - From: Hallam-Baker, Phillip [EMAIL PROTECTED] To: [EMAIL PROTECTED]; Steve Atkins [EMAIL PROTECTED] Cc: DKIM List ietf-dkim@mipassoc.org Sent: Monday, August 07, 2006 3:57 PM Subject: RE: [ietf-dkim] SSP False positives/negatives We have a reactive system here.

Re: [ietf-dkim] remote access

2006-08-07 Thread Hector Santos
- Original Message - From: Scott Kitterman [EMAIL PROTECTED] If I'm standing at a kiosk, how do I have any control over how a message sent through that kiosk gets signed? I don't think I do. I see several things: If you going to use an email address via this kiosk, you should make