configuration error in lists.isc.org

[Heiko Richter]

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Hi!

Nothing concerning Bind, but still relevant to all list users:

Just wanted to let you all know about a configuration error on
lists.isc.org. It doesn't rewrite any email headers, only reflects
incoming messages to all list members which leads to problems in
SPF-checks.

Whenever I post something to the list (I'm not using SMTP, I'm using a
usenet server to post to comp.protocols.dns.bind), my postmaster
address receives DMARC notifications from list members that have
employed this wonderful protocol on their servers, telling me my
message had been rejected for violating my SPF policy.

My SPF record doesn't include lists.ist.org, of course and it never
will. Furthermore it ends with "-all" so all my messages to the list
are being rejected by list members who have spf aware servers.

Just wanted to let you all know about it as I can imagine I'm not the
only person who has outgoing SPF.

And the worst thing: If you have a record ending with "~all" your
messages will be accepted but probably end up in a spam report
container slowly eating away the good anti-spam-reputation your server
has.

So ISC: please fix your list servers, let them rewrite the From headers!

Yours,
Heiko Richter
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