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Date:      Mon, 13 Sep 1999 21:51:43 -0600
From:      Nate Williams <nate@mt.sri.com>
To:        Peter Radcliffe <pir@pir.net>
Cc:        FreeBSD-stable@FreeBSD.ORG
Subject:   Re: "talk" appears broken!
Message-ID:  <199909140351.VAA25950@mt.sri.com>
In-Reply-To: <19990913231733.A21546@pir.net>
References:  <18089.937241568@axl.noc.iafrica.com> <003a01befe24$b8aa5140$0100a8c0@greg> <19990913223330.A9623@infoteam.com> <19990913231733.A21546@pir.net>

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> > Procmail is your friend ;-)
> > 
> >  ### remove duplicate messages
> >  ###
> >  :0 Wh: msgid.lock
> >  | formail -D 32768 $HOME/.tmp/msgid.cache
> 
> Not to drag the thread off sideways, but that method is a really
> bad plan.

Maybe, but I've been using it for 3 years now, and I *rarely* get
duplicates.  Probably less than a hundred in the time period, and I've
got well over a million mail messages that have gone through my system,
and it's removed thousands of duplicates.

> If you want to try and remove dups from mail (which isn't a good
> plan in general) you need to work on hashes of message contents or
> similar.

It's a great idea, because it actually works to remove *only*
duplicates.  Otherwise, you stand a chance of losing real email.

(Most duplicates are caused from x-posting and such, and procmail does a
*really* good job of removing the duplicates, regardless of what the
mail program is doing...)



Nate


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