NAME

PublicCheck::FlatStore

  # Tell PublicCheck::To that we're using a FlatStore module.
  public_store_module PublicCheck::FlatStore

  # File containing <Message-ID> email@example.com Comments. 
  outbound_mid_log /path/to/outbound_message/id/log

This is a dumb storage implementation, probably should be using something else. It is uses a flat logfile of message ID's and email addresses. Good for testing, though.