Do not deliver messages with junk precedence

[Paul Menzel]

Dear GNU list admins,


Somebody sent me a message in Cc, with the grub-devel list in the 
Reply-To field. As I was on vacation, our absent/away script, as it 
couldn’t know it’s a list message – as it was sent to me directly with 
Cc –, replied to it.

To avoid distribution to list subscribers, the script sets the message 
header field `Precedence` to `junk` as can be seen from the attached 
message. Unfortunately the message was still delivered to the grub-devel 
subscribers.

Could you please configure the Mailman installation to discard such 
messages?


Kind regards,

Paul
> --- Begin Message ---
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> Subject: 
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> Re: Re: [PATCH v2 1/2] efi: SPI NOR flash support
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> Date: 
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> Thu, 11 Feb 2021 08:36:40 +0100 (CET)
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> Sehr geehrte Damen und Herren,
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> vielen Dank für Ihre Nachricht, die ich nach dem 12. Februar 2021 lesen werde.
>
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> Freundliche Grüße
>
> Paul Menzel
>
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> https://lists.gnu.org/mailman/listinfo/grub-devel
>
> --- End Message ---