Re: [Exim] Checking against "seen" Message-ID:'s to drop bou…

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Autor: David Woodhouse
Data:  
A: Peter Bowyer
CC: exim-users
Assumpte: Re: [Exim] Checking against "seen" Message-ID:'s to drop bounces
On Mon, 2004-07-12 at 12:55 +0000, Peter Bowyer wrote:
> Some people here have discussed an alternative solution which drops a
> cryptographically-derived cookie in the return-path of all outgoing mail,
> and on the incoming side you reject null-sender mail which arrives to the
> 'bare' address, and verify the cookie otherwise.


Sample implementation at http://www.infradead.org/rpr.html

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