Frank,

• Franck Martin franck@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@rick

----- Original Message ----- From: "Franck Martin" franck@peachymango.org To: "mailman-developers" mailman-developers@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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