MailChimp Killer? WPMU DEV’s new WordPress email newsletter plugin does it all!
Super easy setup and configuration
Beautiful, fully customizable templates
Along with a great template builder
Powerful user management (including import)
User groups & group management
Detailed informative reports
Cracking widget interface and behavior
SMTP much improved
Add user data to newsletters
Display emails in browser
Shortcodes galore
New hooks to integrate with other plugins
And much, much more
With amazing support and usage docs, if you need them!
Check it out! You’ll wonder how you got along with out it.
http://wpmu.org/brilliant-wordpress-email-newsletter-plugin/