MailPress is a simple mailing platform for Wordpress. You can style your content in either HTML or plain text with dedicated themes and templates. It also includes double opt-in subscription and has option for subscription to comments, newsletter/post notification and even to mailing list.

MeeNews is a wordpress newsletter plugin that allows you to create, customize and send newsletter easily from your Wordpress backend. It combines some great customization options for changing colors and headers. You can configure it to add your Wordpress pages or posts to your newsletter.

This plugin is a simple newsletter plugin. It can show opt-in form, save opt-in email and name, and send emails to your opt-in list. It also have import and export email data ability.

The WordPress newsletter plugin is robust newsletter software for WordPress which allows you to gather unlimited email subscribers, organized into multiple mailing lists.