ezmlm: Yahoo's DMARC policy and ezmlm


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Subject: Re: Yahoo's DMARC policy and ezmlm
From: Brian Behlendorf ####@####.####
Date: 3 May 2014 00:32:14 -0000
Message-Id: <alpine.DEB.2.10.1405021728460.3079@laz>

I've had one of my list owners appear to successfully test this appoach 
(preserving DKIM validity by not modifying message) on their list, and it 
appears to have worked, as he sees these headers upon receipt to his 
@gmail.com address:

>        dkim=pass ####@####.####
>        dmarc=pass (p=REJECT dis=NONE) header.from=yahoo.com

Just FYI.  I'll be sharing this with a few other lists as well.

Looks like mailing list software authors should really provide two options 
for their end users:

1) No modification of the messages allowed, no stripping of mime 
attachments, no message prefix, etc

or

2) You can add anything you want, but you must change the From: header to 
that of an email address at the mailing list host in some standardized way 
- SRS, which I think is a bad idea, or "real name via list@host" which is 
less bad.

Brian


Previous by date: 3 May 2014 00:32:14 -0000 Announcing ezmlm-idx version 7.2.0, Bruce Guenter
Next by date: 3 May 2014 00:32:14 -0000 Re: Yahoo's DMARC policy and ezmlm, Charlie Brady
Previous in thread: 3 May 2014 00:32:14 -0000 Re: Yahoo's DMARC policy and ezmlm, Brian Behlendorf
Next in thread: 3 May 2014 00:32:14 -0000 Re: Yahoo's DMARC policy and ezmlm, Charlie Brady


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