hook (filter): Filter the total amount of subscribers
hook (filter): Filter the url for folks to manage their subscriptions.
hook (filter): Filter if the current user is subscribed to the blog.
hook (action): Fires on each comment subscription form submission.
hook (filter): Filter whether posts can be emailed to subscribers.
hook (filter): Array of categories that will never trigger subscription emails.<p>Will not send subscription emails from any post from within these categories.</p> View Example
hook (filter): Filter whether or not to show the per-post subscription option. View Example
hook (filter): Filter the subscription form's ID prefix.
