cbnet MBP Auto-Activate
MaxBlogPress plugins require a two-step registration/activation process, as well as a forced opt-in to an email-list subscription, in order to use them. This plugin circumvents those requirements, enabling unrestricted use of the plugins.
This is the easiest to use sequential autoresponder plugin. Allows scheduling unlimited number of emails, members, import/export and customization
More at: http://weblogtoolscollection.com/archives/2010/01/16/wordpress-plugin-releases-for-0116-2/