On 2005-01-07 20:02:31 -0500, Seth Breidbart wrote: > > for a sufficiently large ISP (think AOL, or a cable modem business), > > keeping track of the tuples of <sender, recipient> for any length of time > > will require a _substantial_ database infrastructure. > > > > i was going to do some back-of-envelope computations on sizing, but > > this is your proposal, mitch, so why don't you do them and share the > > results with us. > > Under 1K of data. Remembering stuff is doing it the hard way. Create > the lhs of the Message-ID signed with a private key that changes > daily. That assumes that the Message-ID is created by the MTA. Many MUAs create the Message-ID themselves, and the MTA should not (indeed must not, per RFC 2476 and 2821, if it is syntactically correct) replace it, because that would make the "In-Reply-To" and "References" headers useless. hp -- _ | Peter J. Holzer | Je höher der Norden, desto weniger wird |_|_) | Sysadmin WSR | überhaupt gesprochen, also auch kein Dialekt. | | | hjp at hjp.at | Hallig Gröde ist fast gänzlich dialektfrei. __/ | http://www.hjp.at/ | -- Hannes Petersen in desd
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