oops "prefixes are common". it's hot and i'm still wingless. brucee
On Sun, Nov 14, 2010 at 1:52 PM, Bruce Ellis <bruce.el...@gmail.com> wrote: > grep -f is very efficient. you can extract it to a lib if you like. > please think about this and peek at the code before replying. i > understand the code because i was lucky enough to be in the room when > it was written. > > a negatie bloom sounds good but your positives will (potentially) collide. > > so the data structures i would recommend are a suffix tree > [McCreight], but reversed as the suffixes are common, or if you are > thinking of hashing go for a scapegoat tree. > > brucee > > On Sun, Nov 14, 2010 at 9:26 AM, Lyndon Nerenberg (VE6BBM/VE7TFX) > <lyn...@orthanc.ca> wrote: >>> The purpose is allowing an spooling (store+forward) mail relay >>> to learn which addresses are not accepted by the actual maildrop >>> (which is connected by an uucp-link, so no direct smtp chat), >>> to get rid of the thousands silly error bounces from brute force >>> attacks on email addresses. >> >> Very(!) interesting approach to this. I still transfer large chunks >> of my mail over UUCP, so this is a problem I face daily. I'd appreciate >> being kept in the loop for anything you find out. (And collaborating on >> a solution.) >> >> --lyndon >> >> >> >
