To add unsubscribe link in your email campaign, click 'Campaigns' on top of the page and choose 'Email Campaigns' then hit 'New Campaign'
Select 'Use the HTML Editor' to continue.
After clicking 'Use the HTML Editor' you will see this page. Create a name of your email campaign and click 'Create' to continue.
You will see a prompt message on top " Campaign successfully created" You will see the Create your campaign page. You have to create your content with or without graphics then you can write on top of the letter "If you no longer wish to receive our emails , you may unsubscribe here" Highlight the word unsubscribe here , then select 'Recipient Unsubscribe link' under Recipient details then you may click 'Next' to continue. Just go through the wizard until it will prompt you to send the campaign.
Unsubscribe link - In the footer of every email user may provide unsubscribe link (opt out) to users who wanted to unsubscribe.
Below user will see this confirmation message if he clicks on 'unsubscribe link' in the email.