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Date: Wed, 18 Nov 1998 23:09:17 -0800 To: Paul Vixie <paul@vix.com> From: "Roeland M.J. Meyer" <rmeyer@mhsc.com> Cc: nanog@merit.edu In-Reply-To: <g37lwsy1ui.fsf@bb.rc.vix.com> At 04:15 PM 11/18/98 -0800, Paul Vixie wrote: >> Look at the RBL site, a DNS subsciber it not tracked anywhere, except maybe >> Vixie's XFER log files. Even the MAPs crew doesn't know how many >> subscribers they have. > >slight correction here: the subscribers number in the two hundred and twenties, >and we know exactly who they are. noone AXFR's the zone without registering, >or gets a BGP feed without registering. > >the thing we don't know how many we have of, is unsubscribed users who just >add FEATURE(rbl) to their sendmail.mc files and never register at all. we've >estimated this to be in the thousands or tens of thousands just based on the >splay shown among query source addresses on the RBL.MAPS.VIX.COM nameservers, >but a that's pretty rough way to estimate this quantity. Thanks Paul, we are such an "unsubscribed user" (?), I don't think there is any way for you, or anyone else, to identify us unless we identify ourselves first. Even then, it's not definitive because we can turn off the feature in about 2s flat. In fact, we have been alternating between use/nonuse of the RBL for a while, to see if it makes a difference. At which point in time, that we've been using the RBL, I really couldn't tell you. ___________________________________________________ Roeland M.J. Meyer, ISOC (InterNIC RM993) e-mail: <mailto:rmeyer@mhsc.com>rmeyer@mhsc.com Internet phone: hawk.mhsc.com Personal web pages: <http://www.mhsc.com/~rmeyer>www.mhsc.com/~rmeyer Company web-site: <http://www.mhsc.com/>www.mhsc.com/ ___________________________________________ Who is John Galt? "Atlas Shrugged" - Ayn Rand
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