NP Subscriber PRO

In addition to all of the features in NP Subscriber, NP Subscriber PRO adds: support for not only Sendmail, but also Blat, unlimited number of lists, form and query-based subscription, complete demographic management through the use of unlimited fields and the ability to group subscribers, archive re-sending, batch email addition, Unix-based OS timeout prevention, HTML and plain text messages sent at the same time while giving the subscriber the option to choose between HTML and text messages as well as the admin the option of forcing an HTML send, SPAM guard, Subscriber list search, PLUGIN support, and more.