ANSWER
Login to your humanOS account.
Go to your Account Settings found here : https://www.humanos.me/dashboard/account/settings
Scroll down to the Account Settings section and click on the Email Settings tab (Screenshot Below)
OR
One other way you can unsubscribe from humanOS emails or a specific email from us would be to scroll to the bottom of any email you have received from us (such as our newsletter or blog) and update your preferences from there. (Screenshot Below)