[Mailman-Developers] mailing list to work with ADSP and DMARC

[Franck Martin]

Thanks very much for the feedback, but note what I wrote at the end of the first post. I'm very much involved in DMARC but I do this one as a personal project.

Ok so mm3 it is, it seems.

Printed on recycled paper!

On 21/07/2012, at 11:50, Patrick Ben Koetter <p at state-of-mind.de> wrote:

> Frank,
> 
> * Franck Martin <franck at peachymango.org>:
>> As I have not received feedback.. then no feedback is good feedback right? 
>> 
>> I submitted the code to be merged into main branch (using launchpad
>> interface). It is 2.1.x branch and I know the development happens on 3.x,
>> but let me know the status and if I should try to do a branch in 3.x code
>> base in a view to submit a similar patch.
> 
> ADSP is considered to be broken and marked deprecated. DMARC is its successor
> and on the rise. Currently DMARC is undergoing interop testing. It is said to
> advance towards IETF standard sometime in autumn.
> 
> You might just be a little too early and you might work on the wrong code.
> 
> On Mailman-Developers currently most discussions deal with/most efforts are
> put into MM3 development.
> 
> My bet is you will receive more feedback if you start implementing DMARC
> relevant features into MM3 code. If you get Murray Kucherawy, I don't know if
> he's still on the list, to contribute/share ideas on DMARC you will very
> likely get a bulletproof implementation - he's one of the driving forces
> behind DMARC.
> 
> p at rick
> 
> 
> 
>> ----- Original Message -----
>> From: "Franck Martin" <franck at peachymango.org>
>> To: "mailman-developers" <mailman-developers at python.org>
>> Sent: Tuesday, July 10, 2012 9:45:28 PM
>> Subject: [Mailman-Developers] mailing list to work with ADSP and DMARC
>> 
>> I did a branch on the 2.1 series to test rewriting the From: header to be able to make emails to comply with DMARC and ADSP 
>> 
>> You can find the branch here: 
>> 
>> https://code.launchpad.net/~mlm-author/mailman/2.1-author 
>> 
>> and the diff with mailman main branch here: 
>> http://bazaar.launchpad.net/~mlm-author/mailman/2.1-author/revision/1340?start_revid=1340&remember=1338&compare_revid=1338 
>> 
>> I have also a test mailing list running at: 
>> http://lists.peachymango.org/mailman/listinfo/mlm-auth 
>> 
>> The best to see how it works is to subscribe, send an email, and see how the email is distributed. I guess you need to receive an email to see that... I'll reply... 
>> 
>> Several ways to solve this problem were explored with mailman: 
>> http://wiki.list.org/display/DEV/DKIM 
>> 
>> I took a 7th option which is to rewrite the From: without using the + and put the information about the sender in the Reply-To: 
>> 
>> This may not be optimum but it works. 
>> 
>> Overall this solution is one out of 3 ways to get mailing lists running with DMARC (see DMARC FAQ) 
>> 1) don't break DKIM 
>> 2) use AOR 
>> 3) rewrite the from 
>> 
>> There is another one which is to whitelist emails coming from mailing lists.... 
>> 
>> Also note that while I'm involved in the DMARC group, I do this code as a personal project. 
>> 
>> Now send comments, and be nice with me :P 
>> 
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