Bravenet has what you are looking for at a good price !
Double Opt-In
Confirmed subscriber lists are safer from spam complaints.
Email Notifications
Get notified by email when new members subscribe.
HTML Newsletters
Use our HTML Builder to build and send HTML email.
Subscriber Search
Find subscribers by name or date easily.
Display Statistics
Track the performance of your list.
Multiple Templates
Use one of many pre-built HTML email templates.
Full Site Integration
Our subscribe box can be completely customized.
Easy installation
Just copy and paste our code onto your webpage.