This plugin sends XMPP notifications to the users who are registered and set their own Jabber ID. Emails to them are able to be suppressed.
This plugin provides a function to be added ‘wp_mail’ hook in wp_mail() located in wp-includes/pluggable.php.
This plugin requires XMPP Enabled plugin.
Filter Hook
The function xmpp_sender() in this plugin has two filter hooks.
Using ‘abort_xmpp_sender’ hook allow abort all processing. For example, you want to send email independent of user or JID when the subject has a particular keyword. You may add a function which checks the subject and returns true if keyword is found.
Using ‘email_to_jid’ hook allow set/unset JID correspond to email address. Default function of this hook, email2jid() returns JID when the user is registered to the site and his/her JID is set. If you want to send email but XMPP to a particular user, add a function which returns false.