When using moderated registration, users are sent an email when they are activated. This tutorial describes how to create an email when the user is deleted instead of activated.
Users who configure to block custom post types will notice that you don’t get the meta box that WP-Members shows for blocking (or unblocking) posts and pages. While you can still use custom fields directly for custom post blocking/unblocking at the individual post level, it’s nice to have the meta box. So I’ve put together a code snippet for you to use to implement this on your custom post type editors.