From the blog:
Announcing yPHPLista 1.1.1!
By popular demand, we have released a new version of “the best WordPress newsletter plugins out there”! It includes:
- Widget – drag and drop yPHPLista into any widgetized area!
- Backend PHP function
- Multiple lists – use comma separated values either in your default backend or in the individual posts to add users to multiple lists!
- Thorough bug testing