On Sat, November 8, 2014 8:35 pm, Stephen Harris wrote:
> On Sat, Nov 08, 2014 at 05:58:53PM -0800, Keith Keller wrote:
>> The fundamental reason is because Mailman is rewriting the headers in an
>> incompatible way. It is not his site's usage of DKIM. This is a known
>> issue with Mailman. (I used to have a good link explaining the issue,
>> but can't find it now; if I find it later I'll post it.)
>
> So we have a 20-year old piece of technology ("mailman") and a modern
> proposal ("DKIM")... and somehow it's mailman's fault. Uh huh.
>
> Note; it's not just mailman that has problems, it's _any_ mail forwarder.
> Going back 27 years to my first Unix account, I could create a file called
> ".forward" that would forward my mail to another address. This is BROKEN
> by DKIM.
Any constructive suggestion how to deal with e-mail of people who moved
on? Forwarding is a a solution. What is suggested instead (in the realm of
DKIM)?
Valeri
>
> Basically DKIM is incompatible with how internet email works.
>
> But here's the thing... I think DKIM has a potential future; we need to
> _change_ how the internet works. So mailman will need to be rewritten;
> mail forwarders will need to change. And so on.
>
> I use DKIM on my domain but I specifically set it to "fail safe" (deliver
> it anyway) because I _know_ the internet, today, isn't compatible. I get
> email reports so I can see if spammers _are_ sending as me.
>
> The problem is with domains like yahoo.com who have a "fail deny"
> policy. Any yahoo.com sender gets so much mail rejected that many
> mail lists auto-block yahoo senders these days.
>
> The problem, ultimately, is with senders with a "reject" policy published.
> DKIM is not compatible with internet email today, and so mail from those
> senders _will_ be rejected.
>
> --
>
> rgds
> Stephen
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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