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Create groups to organize your subscribed users and send them e-mails based on their groups or by user levels, capabilities or usernames. You can also send messages for anybody, directly by e-mail addresses. Besides that, you can use some information of the current user and of a selected publication (post or page), to personalize the message, that can take attached files, if you want. WPMailing offers support if you are using Xinha4WP or Dean’s FCKEditor, to write e-mails in your favorite editor.
<h3>Features</h3>
Once the plugin is activated, your administration panels will offer:
<ul>
<li>The ability to create groups and tag your users, by adding new features in Users section pages 
through Javascript (user.php, profile.php and user-edit.php). 
** This actions will not modify the WP original files.</li>
<li>An interface to modify names and descriptions of your groups (Manage > Groups) </li>
<li>An interface to compose and send e-mails to subscribed users, 
with some interesting features (Write > Write e-mail): 
** The ‘To’ field supports multiple e-mails and inclusions by user level, capability, group or username. 
** You can attach multiple files to the message 
** You can use values of an specific post or page 
** The e-mail can be personalized with informations of the user that will receive the message</li>
<li>An interface to set or update some WPMailing configurations (Options > Mailing) </li>
<li>Complete information about the sending process after you send any e-mail</li>
</ul>
<h3>Feedback</h3>
Your feedback are welcome. 
 Send any bug detections, suggestions, critics, etc. to: wpmailing(at)jsbrasil(dot)com 
 Thank you, Cau Guanabara.

WPMailing

Create groups to organize your subscribed users and send them e-mails based on their groups or by user levels, capabilities or usernames.

MyWebsiteAdvisor

ChrisHurst

Simple Groups Plugin for WordPress is a very simple plugin that adds Basic Group functionality to the Users system. 
The groups can be used via a shortcode to display members only content to users in that specific group.
Developer Website: http://MyWebsiteAdvisor.com
Plugin Page: http://MyWebsiteAdvisor.com/tools/wordpress-plugins/simple-groups/
We are looking for testimonials and live examples of our plugins on your website! 
Please submit your website or testimonial here: http://MyWebsiteAdvisor.com/testimonials 
If we choose your testimonial or website we can link to your site and generate some free traffic for you!
Requirements:
<ul>
<li>PHP5</li>
</ul>

Simple Groups

Simple Groups Plugin for WordPress is a very simple plugin that adds Basic Group functionality to the Users system. The groups can be used via a shor …

WPMailing vs Simple Groups