+ validates :k, :presence => true
+
+ def self.match(address, options = {})
+ acls = Acl.where("address >>= ?", address)
+
+ acls = acls.or(Acl.where(:domain => options[:domain])) if options[:domain]
+ acls = acls.or(Acl.where(:mx => options[:mx])) if options[:mx]
+
+ acls
+ end
+
+ def self.no_account_creation(address, options = {})
+ match(address, options).where(:k => "no_account_creation").exists?
+ end