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.

Remi Corson

Add Mailchimp signup process to WordPress registration form
<a href="http://remicorson.com" rel="nofollow ugc">Developer Website</a> – <a href="http://remicorson.com/easy-wordpress-mailchimp-integration/" rel="nofollow ugc">Plugin Page</a>

Easy WordPress Mailchimp Integration

Requires at least 3.0 Tested up to 3.3.1 Stable tag: 1.0 Add Mailchimp signup process to WordPress registration form

SX Easy-going SMTP vs Easy WordPress Mailchimp Integration