We provision the only system that works as a WordPress server hosted solution. This approach does not have additional monthly costs (if you have less than 2,000 subscribers and send less than 12,000 emails a month.) If you go beyond the free tier limits, that there is a one-time fee of $99 for unlimited subscribers and an additional monthly fee of 9.95 for up to 40,000 emails a month or 19.95 for 100,000 emails a month (additional plans for heavier usage do exist.)
As part of this service, we will install and configure the components needed, configure your new newsletter opt-in form(s), and add them to your website on the preferred pages. If you have more existing forms, we can configure those as well, but we will need to analyze them for compatibility.