On Tue, Sep 22, 2009 at 08:47:23AM +0200, Jan Johansson wrote: > >Probably not the most efficient, but possibly one of the simplest, ways of > >doing this is as follows: > > > >- create lists of local-parts, one per domain, e.g. > > That is exactly what I want to avoid, because we are talking about _many_ > domains and a heck-load of users. > > > e.g. each file would contain lines like "bob", not [email protected] > > Yeah, which once again would require me to re-parse the data. > > I am looking for short-cuts here :)
OK. I'm not sure if you're still seeking advice from this list, but if you are, you might want to explain your requirements more fully, because saying "many domains" and "re-parse the data" and "short-cuts" doesn't adequately explain what to me what you're seeking. For example: how many domains? How many local-parts per domain? Are the lists of local-parts in fact identical for all domains? What is it about the method I proposed which won't work for you (you say "because we are talking about many domains", but so what?). How many lookups a second do you expect? How often do the lists change? Where do the lists come from? and so on ... -- Dave Evans http://djce.org.uk/ http://djce.org.uk/pgpkey
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