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Date:      Sun, 31 Dec 2006 18:06:16 +0300
From:      "Andrew Pantyukhin" <>
To:        "Matthew Seaman" <>
Cc:        Zbigniew Szalbot <>,
Subject:   Re: changing subject of this list?
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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On 12/31/06, Matthew Seaman <> wrote:
> Zbigniew Szalbot wrote:
> > All the best for the New Year to everyone. By the way, would it be
> > possible for this list to introduce a subject prefix like [FBSDQ] or
> > something along this line? It would make sorting much easier. Some people
> > put the list address in CC so with MUAs like SquirrelMail it is a bit
> > difficult to filter the messages.
> A very effective method of filtering is to look for the List-ID: header.
> Most mail software won't display it to you without persuasion, but
> for freebsd-questions@... it looks like this:
> [...]
> X-Mailman-Version: 2.1.5
> Precedence: list
> List-Id: User questions <>
> List-Unsubscribe: <>,
>         <>
> [...]
> Mailing lists should nowadays include a List-ID: header in the mails they
> send out.  [RFC 2919 if you're that interested] Sorting messages based on
> it is, I find, generally the most accurate way to classify them correctly.
> It's very easy to do in procmail -- too obvious to bother giving an
> example. In thunderbird, you have go into Tools:Message Filters, then
> hit New to create a new rule, then choose 'Customize' from the 'Subject'
> pull-down.  Unfortunately squirrelmail is not a software package I know
> much about, but I'd expect any reasonably competent e-mail client to
> be able to filter on arbitrary mail headers without too much trouble.

In gmail it's undocumented, but you can use listid
search operator to search and filter by List-ID.

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