shawfactor

This plugin allows you to send html formatted email message directly from your WordPress dashboard. These emails are based on the posts you create within WordPress. Optionally you can add content at the top and bottom.
These emails are formatted based on a template you can modify both by adding widgets and by editing the template in your theme or child theme.

LH Email

LH Email enables you send html emails based on your posts, directly from your WordPress dashboard.

Brent Wilson

WP Sendy Newsletter Generator is a simple no frills plugin that creates a simple and clean newsletter template that is mobile friendly and automatically compatible with Sendy.co.
Not familiar with Sendy.co? Check out <a href="https://www.wpsendynewsletter.com" rel="nofollow ugc">What Is Sendy.co</a>

WP Sendy Newsletter Generator

A simple, free Wordpress Newsletter Generator compatible with Sendy.co.

LH Email vs WP Sendy Newsletter Generator