The objective of this portlet is to allow ISP's to manage their domains linking them both to their customers that their respective service providers.
You can also schedule messages to be sent automatically to your customers to ask them if the domain is or not to be renew.
The email messages are localized, so you can also manage clients on different country; the list of languages ​​that can be used for the email is taken from the portal configuration.
This is a control panel portlet and the data are stored in the db portal (we use service builder infrastructure).