MailOptin is a WordPress optin form or email signup form plugin capable of growing the subscribers of Mailster email list via popups, slide in / scroll triggered boxes, notification bar, and sidebar and in post forms.

To start capturing leads with MailOptin, install and activate the plugin on your WordPress site. You can get the plugin for free on WordPress plugin repository.

Go to the Optin Campaign page and click the Add New button at the top to create an optin form.

Enter a title for the campaign, select the optin type (for this tutorial, we’ll select lightbox) and click the optin form design you want.

You will then be redirected to the form builder where you have options and the flexibility to customize the optin form to your heart content.

Having finished customizing the form, open the Integration panel, Select Mailster in Email Provider dropdown and the Mailster list to subscribe users to. You can also toggle double optin option.

To actually get the opt-in to display on your site, toggle the activate switch on at the top (close to “Save Changes” button).
Navigate to the “Display Rules” panel and setup how and where the form will be shown.

Finally, save the changes. Preview your website and you should see the popup displayed. If it doesn’t show up, be sure to clear your website and browser cache.