It's written in PHP and uses SQLite to store data.
Here are some key features of "PubMail":
· Easy configuration
· Admin panel
· Import/export users
· Message history
· Subscription widget
· Easy customization
· Documentation (via the README file)
Requirements:
· PHP 5 or higher
· Crontab for running scheduled background tasks
What's New in This Release: [ read full changelog ]
· Removed our own unsubscribe link, we'll just rely on messagepub's link.
· Changed sending to be more compatible with messagepub's rate limiting.
· Fixed a warning in db_shift().
· Added icon, favicon and improved colour scheme.
· Queue compatible with php-cli and php-cgi command line binaries now.
· Subscribe handler uses GET or POST.