In Lite edition you can send unlimited messages only via your SMTP servers and limit 10000 contacts for all lists. Also can use Mail Merge and Opt In/Out service.

Here you can read help - Manual, see video, how use program - Video Tutorials and download free version - Download

You pay one time for lifetime key for one PC and limit 10000 contacts for all lists.. Also you have free support and update of program in current version.