Newsletter subscription is an important characteristic in Magento, which helps site owner to collect customer information and send them regular promotion programs. However, sometimes, newsletter form brings its own problems due to spam mails, or customer complaint for not unsubscribing your page in order not to receive promotion.
This extension helps you to solve these problems by adding captcha for newsletter form, while creating a page allowing customer to unsubscribe. In there, after customer submit their mail which has been registered for promotion purpose, a template mail will be sent to them with a link, customier click the link to unsubscribe.
Alow using Ajax or not
Adding First name/Last name to newsletter form
Adding unsubscribe page
Options of email template