How do I add an 'unsubscribe from emails' link to marketing emails?

TC83
Tourist
6 0 2

Hi, Please can anyone advise how I add an 'unsubscribe from emails' link to my marketing emails? I'm concerned it's a legal requirement as well as courtesy to have this but I cannot find an answer. 
Thank you 🙂

Replies 2 (2)
TC83
Tourist
6 0 2
Hi, Thank you, I'm currently just using shopify inbox and gmail.
Tricia 🙂
TC83
Tourist
6 0 2

Thank you 🙂