Anybody working on a solution to the mailing list problems (a.k.a JDK-8213225)?

Florian Weimer fw at
Tue Apr 21 09:14:55 UTC 2020

* Thomas Matthijs:

> Still interested in examples?
> marked as spam:

The header has:

X-Content-Filtered-By: Mailman/MimeDel 2.1.17

I suspect it's the same issue I already mentioned: The text/html part
was stripped by the mailing list software.  Of course that changes the
message body, and so the DKIM signature no longer verifies.

The workaround is not send text/html multipart messages to the mailing

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