Re: [Evolution] [Fwd: You have been unsubscribed from the evolution-list mailing list]



On Thu, 04 Aug 2016 Patrick O'Callaghan <poc usb ve> wrote:
Correction, there are a couple of outliers (one from outlook.com) but
I'm inclined to think those are genuine bounces, e.g. mailbox full or
user unknown. Trouble is we don't have access to the actual bounce
message so it's basically guesswork.

It's a nightmare, as the DMARC record on Yahoo email addresses can
cause any other member's email address to bounce (and be removed).

The DMARC record tells receivers to reject the email if not received
directly from Yahoo. So someone yahoo com sends an email to the list,
the list forwards to other outlook com, other outlook com rejects as
it's not directly from yahoo.com. other outlook com then clocks up a
bounce failure within the list software.

The only solution is for the list software to be altered to rewrite the
from address of DMARC domains, or for people with DMARC domains (e.g.
@yahoo.co.uk) to use a different email address to send to the list
(e.g. Gmail)

As someone has already said, DMARC was never envisaged for this sort of
use (instead it's for @paypal.com etc), but it looks like it's here to
stay (or at least until if/when ARC is implemented for email
forwarding).

Andy


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