Per default, bbPress is sending subscription notification emails as one email with a bunch of BCCs. There are various reasons why it would make more sense to send individual emails. This plugin does that, quietly in the background via WP cron, without slowing down page load times. Also increases notification performance and reduces database load on large sites. Translations by @mauriciogarofalo and @mechter Defaults If you don’t customize this plugin, this is what you’ll get: Sends mails from "MyBlog <[email protected]>" (with your Blog’s name and admin email) Sends mail to "Markus <[email protected]>" (with the name being the user’s display name on the forums, not their username) Subject and Message have more user friendly defaults, use the available filters (see below) to make them your own. Customization You can install and activate this plugin and it just works, but you have full control over the details if you want to. Below are some filters and code snippets that help you do what you want. If you’re new to working directly with code, please see the example at the bottom of this page. Available filters bbp_subscription_email_from( $from ) // $from can be a string or array('name'=>string, 'address'=>string) bbp_subscription_email_recipients( $recipients ) // $recipients is array of array('name'=>string, 'address'=>string) bbp_subscription_email_headers( $headers ) bbp_forum_subscription_email_subject( $subject, $forum_id, $topic_id ) bbp_forum_subscription_email_message( $message, $forum_id, $topic_id ) bbp_topic_subscription_email_subject( $subject,...