Jackmail Lifetime Deal: The WordPress Newletter Plugin

Jackmail Newsletters builds a full email campaign suite into your WordPress dashboard. You can access it within your WordPress dashboard.

Jackmail Lifetime Deal Features Overview : 

Set up automated newsletters.
Trigger newsletters by criteria like “every week” or “every 5 posts”
Build emails with a drag & drop builder
Start from free email templates with ease.
Personalize content
Manage subscriber lists
Collect new subscribers with a widget.
View detailed statistics on Jackmail.
Integrate it with, Ninja Forms, + more coming.