AppleScript
Exporting Contacts to CSV
An AppleScript to export name and e-mail addresses from Contacts.app on Mac OS X to a Comma Separated Values (CSV) file.
Automating SpamCop
I am not sure how effective SpamCop is. Once upon a time I regularly reported spam to the service. In return, I was occasionally rewarded with administrators saying thanks and putting an end to the source of at least some of the spam.