Bogdan Kushlyk

SX Easy-going SMTP is a free plugin for setting up sending emails for any WordPress web site.
Guide on how to use this plugin:
First of all install the plugin as described in “Installation”. 
After that new menu item “Settings -> SX Easy-going SMTP” will be added to admin settings menu.
For setting up third party mailing service like AWS SES, Google, Postmark or any other open the 
page Settings -> SX Easy-going SMTP and enter given credentials like host, port, username, password.

SX Easy-going SMTP

SX Easy-going SMTP is FREE plugin for sending e-mail from a wordpress web-site. Allows easily set up e-mail sending on any wordpress site in minutes.

Paul Newman

WebJunk PHPList brings PHPlist – to the WordPress world. 
This plugin allows you to use a seperate installation of PHPList. This allows you to use PHPList with any other web application or even directly on the Internet. As a seperate install You can upgrade or reinstall WordPress with it never affecting PHPList. The version of PHPList is also not tied to a plugin. If needed you can move PHPList. 
WebJunk PHPList displays the actual configurable subscriber page from PHPList so you are not limited to text only fields. Anything used in PHPList directly will work within WordPress with this plugin. 
Since PHPList is not dependant on WordPress at all, you can safely assign other administrators without having to assin them any privledges in WordPress.
phplist is the world’s most popular open source email manager
<h3>Other</h3>
Fixes applied in PHPlists: 
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WebJunk PHPList

WebJunk PHPList is a Wordpress plugin that integrates a Seperate PHPList install with Wordpress.

SX Easy-going SMTP vs WebJunk PHPList