Easy newsletter subscription to your customer with registering only with email address.
---Instructions---
--Upload the content of the folder "upload" to your website
At admin Side:
-> Go to Extensions->Modules .
-> Click [Install] green button at the right of 'newsletters'. (install success message should appear)
-> Click [Edit] blue button at the right of 'newsletters'
-> Only one field to enable/disable the module status
-> Go to System->Design->layout and choose a layout to add to
-> Select 'newsletters' from dropdown list & position and Save.
Now Go to the System->User->User Group Edit in the adminstrator and give permission to module/newsletters file and other file that related to newsletter.
Note: You Just Need to change few things in your file:
->Add this two line in admin/controller/common/menu.php:
1.$data['news'] = $this->url->link('common/newsletter', 'token=' . $this->session->data['token'], 'SSL');
2.$data['newsletter'] = "Newsletter";
->Add this line in admin/view/template/common/menu.tpl:
1.<a href="<?php echo $news; ?>"><?php echo $newsletter; ?></a> wherever you want to show Newssletters.