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From: David Engster <deng@randomsample.de>
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Subject: Re: Virtual group by date
Date: Sun, 29 Aug 2010 08:30:56 +0200
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In-Reply-To: <7svd70wynd.fsf@fi.upm.es> (Manuel Carro's message of "Tue, 24
	Aug 2010 04:08:22 +0200")
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Manuel Carro writes:
> I would like to be able to define a virtual group which puts
> together articles from all groups up to a given date - say, those which
> are at most one week old. 

You could use an external indexing tool. If you're using IMAP, take a
look at nnir. If you have local storage, nnmairix might fit the bill.

-David