That doesn't kill performance, sorry. I get average times of 0.1-0.3 seconds/mail using that rule (and a lot of other ones) while the cpu lives happily. In several servers. You don't need a plugin for that.
Ruben > -----Mensaje original----- > De: Matt Kettler [mailto:[EMAIL PROTECTED] > Enviado el: viernes, 10 de marzo de 2006 21:57 > Para: Ruben Cardenal > CC: users@spamassassin.apache.org > Asunto: Re: SA rule for userid in subject? > > Ruben Cardenal wrote: > > Hi, > > > > Loren answered that a month ago. Is in the archives. You may use: > > > > header RULE_NAME ALL =~ /\nTo: ([EMAIL PROTECTED]).+\nSubject:\s*Fw: > .{0,30}\s*\1\b/i > > > > That covers "Fw: userid" and "Fw: (some word[s]) userid". > > > > True, but that's using () and \1, which is exactly what Jonathan said he > did not > want to use. > > So you can do it that way, but you'll suffer the performance penalty of a > multi-line regex with backreferences. > > The only *efficient* way to do it is to write a plugin.
