ethanpil

A WordPress plugin that allows visitors to subscribe to Dreamhost announce lists via a widget, as well as view and manage the lists in the WordPress admin panel. Additionally the WP Admin can send HTML emails to the lists using the current 
Wordpress template.
Think of it as a poor man’s version of the Constant Contact service! All due to the Dreamhost API.

WP-DreamLists

Subscribe to Dreamhost announce lists via widget, view & manage lists in the admin and send HTML emails to the list. A poor mans Constant Contact!

slaughterlt

Mailer slowly send emails to users when your website is visited. It keep the email flow within provided limits.
Mailer is compatible with WordPress and every plugin.

Mailer

Mailer queues and throttles emails from WordPress to keep the email flow within provider limits. Every new registered user if email sending is enabled …

WP-DreamLists vs Mailer