Re: [Qemu-discuss] ANNOUNCE: emails from this mailing list will soon drop the [qemu-*] subject tag

[Alyssa Ross]

Jakob Bohm <address@hidden> writes:

> Unfortunately, the rushed implementation of the SPF+DKIM+DMARC
> combination meant that handling of mailing lists wasn't properly
> integrated in the specifications.  Which in turn resulted in some
> pretty horrible implementation ideas by both the DMARC group (having
> each mail list server set up complex e-mail aliases for each
> participant) and MailMan (suggesting that mailing lists kick out any
> participants on a DMARC-compatible mail server).

Note that ARC[1] is coming, which will allow mailing lists to provide
authentication while doing the conventional modifications.

Also, Mailman doesn't suggest kicking out participants on
DMARC-compatible servers. It provides a range of options[2] for how to
handle mail from posters who have DMARC set to "reject" or "quarantine"
only.

[1]: http://arc-spec.org/
[2]: 
https://mailman.readthedocs.io/en/latest/src/mailman/handlers/docs/dmarc-mitigations.html

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