We can also use phone numbers & SMS to verify accounts, the process is similar to the below
This plugin does what it says on the tin and will help verify every email address at sign up, whether that is at checkout or on the normal sign up form.
You can also connect it to Abstract API to avoid having customers put in a code to verify their email address.
Example of the Popup
On sign up a Popup will appear asking them to verify their email
Configuration Page
The settings are super simple, you can choose the Popup Form which is free, or you can use a third party API such as Abstract to verify accounts without having the customer enter any codes.
This will be configured for you, let us know which option you prefer