Date: Wednesday, November 09, 2016 21:25:50 +0100 From: Antonio Trande anto.trande@gmail.com

On 11/09/2016 09:21 PM, Phil Wyett wrote:

...

On Wed, 2016-11-09 at 12:16 -0800, Bart Schaefer wrote:

...

For what it's worth, I just received the auto-notification of having been kicked off the list for excessive bounces. So gmail is honoring Yahoo's DMARC.

Hi,

Your not the only one. I got it a few hours ago.

Regards

Phil

Me too. Must we do something about?

In one of the Yahoo articles I referred to earlier they indicate that Hotmail and Gmail (in addition to themselves) enforce DMARC. My mail provider (Rackspace) does now too so I get dropped off various lists (including this one the other day) every few days.

The issue is in how the mailing list sends out messages. If they are addressed as if they come from an @yahoo address (e.g,. the original poster), but not from an authorized yahoo mail server, any mail server enforcing (in this case yahoo's) DMARC will reject the message. After enough bounces the mailing list will drop you (with or without notice). Short of getting your mailing list mail via a provider that doesn't enforce DMARC this week, there's nothing an end-user can really do.

From some lists that I'm on that are handling this, it appears that

mailman 2.1.18 can (or can be made to) deal with the addressing so that things pass the DMARC test. This list appears to use 2.1.12.