spam rules

These are my new spamassassin rules. If your configured email client fails to have a valid DKIM or DK signature or SPF record, I'm probably going to mark you as spam.

#### .spamassassin/user_prefs
required_score -1.0
score DKIM_VALID_AU -10.0
score SPF_PASS -5.0

99% of my legitimate correspondents are okay already.