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Re: How to rearrange the sequence of filters

Subject: Re: How to rearrange the sequence of filters
From: "Richard Grevers"
Date: Tue, 22 Nov 2005 06:58:05 +1300
Newsgroups: opera.mail+news
On Tue, 22 Nov 2005 00:31:57 +1300, Alexey Feldgendler <feldgendler@xxxxxxx> wrote:

On Mon, 21 Nov 2005 17:20:56 +0600, Richard Grevers <newsreply7@xxxxxxxxxxxxxx> wrote:

That's only one step: attach a tag. Various ways of doing this in GUI can be implemented, including possibly the visual concept of dragging into container. And exactly the same amount of data storage -- one "many to many" relation (it doesn't matter whether it's "folder <-> message" or "tag <-> message".

Then you would have to tag all the messages in the query view that you want them to be grouped with but whose query they don't match, and you end up with not-quite doubled up information (unless you delete the query view) - but as you say that tags should not be settable via rules, you would forever have to manually maintain that tagging as new messages match the query.

I see now. Yes, that's quite true. You have to choose only one of the two abilities:

1. Manual addition and deletion of messages to and from folders (the core procmail way ability).

2. Instant updation of the folder view when its conditions have been changed (the core gmail way ability).

You can't have them both, it's just logically impossible.

Interesting choice of word, given that it works and works well. Actually, you forgot an entire class: 3) Update of the view based on statistical probabalistic rules, learning from the user's manual deletions and additions. (Shall we call this the mailwasher approach?) Opera does that, too. Note that most Bayesian systems allow you to augment rules via an explicit whitelist/blacklist.

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