On 17/05/2025 18:58, Al Iverson via mailop wrote:
On Sat, May 17, 2025 at 2:52 AM Simplelists - Andy Beverley via mailop
<[email protected]> wrote:
On 16/05/2025 22:49, Al Iverson via mailop wrote:
IMHO the days of sending as a domain where you can't authenticate it
directly with aligned DKIM are over. A lot of ESPs nowadays just
rewrite the visible from domain unless DKIM is specifically configured
appropriately. No other workarounds, no sender header, none of that.
You might be right in the long-term, but I think we are a little way off
yet. We generally don't have any problems delivering the vast majority
of emails in this manner, and even this particular problem seems like
something of an edge case (and maybe unintended?)
I don't mean this rudely, honestly!
Oh, I took it as the best of intentions :)
But it feels like your defense is
along the lines of, "well, it's fine because the ducks haven't
entirely nibbled us to death just yet."
At this stage this is the first time I've even seen any nibbling :)
You're not wrong. Not everybody blocks like this. Not everybody will.
But we're in a long transition phase that started a few years ago and
over time, this is slowly becoming more and more of a problem.
Options: chase after it and address it one by one, repeatedly, or just
adjust the sending model once, fully, and never have to think about it
again. I like the idea of just "fix it once and be done with it," both
because it requires less work and because it's a more future-proof
configuration.
Agreed in principle. At this stage the only problems we have seen are
the obvious issues with DMARC policy (easily mitigated), plus this
problem with Yahoo. (Oh, plus the occasional Mimecast spoofing
rejection, which are gradually disappearing as those sorts of
organizations implement DMARC policies).
I'm not really doubting that this may be more of an issue in the future,
but at this stage I'd be interested in Yahoo's opinion as to whether
this is even intentional (it seems at odds with their intent[1] of
delivering messages that their consumers want).
Thanks for your thoughts,
Andy
1. https://senders.yahooinc.com/best-practices/
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