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Date: Thu, 16 May 2013 23:05:33 +0100
From: Bruce Cran <bruce@cran.org.uk>
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To: "Julian H. Stacey" <jhs@berklix.com>
Subject: Re: List Spam Filtering
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Cc: Erich Dollansky <erichsfreebsdlist@alogt.com>,
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On 11/05/2013 02:34, Julian H. Stacey wrote:
> Good question. I don't know why. I wish all were, it would keep spam out.

There have been some discussions about this in the past. 
freebsd-questions doesn't require subscribing to avoid people who may be 
unfamiliar with mailing lists being put off posting to it.

-- 
Bruce Cran