Spam System Spam Systems f t oracle postgresql Tilmann Singer Bill Schneider Mark Dalrymple Port of the spam system to 4.1 2001-02-06 OpenACS Port of the spam system to 4.1. Provides a set of user-interface pages for sending e-mail to groups of users, selected based on some criteria in the database. Applications may link to the spam system with their own set of criteria (SQL queries).