Step 1: Login to your admin control panel.
Step 2: On the right hand side you will see a “Wordfence” section with the logo.
Step 3: Click “Options” link in the dropdown tab
Step 4: Scroll down to “Advanced Settings” options.
Step 5: From the list, un-check the email alert options.
Step 6: Click on “Save Changes” located at the bottom of the settings menu to ensure that the settings are saved.