I just had the following rule idea to prevent false positives (i have no problem scoring spam high enough, i rather want to find ways to lower the score on ham)

I want to reward -2 points for people that know my very distinctive lastname and include it in the message or the To field - however i also use email addresses that already contain my last name - in this case i dont want to reward points because it was an obvious guess, here is how i'd do it:

body   __SENDER_KNOWS_REALNAME_BODY /\b__lastname\b/i
header __SENDER_KNOWS_REALNAME_HEAD To =~ /.*__lastname.*<.*>/i
header __REALNAME_WAS_OBVIOUS To =~ /<.*__lastname.*>/i
meta SENDER_KNOWS_REALNAME ((__SENDER_KNOWS_REALNAME_BODY || __SENDER_KNOWS_REALNAME_HEAD) && !__REALNAME_WAS_OBVIOUS)

comments?
arni

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