To change how payslips are delivered to employees, go Payroll > Settings.
In Settings, click on Payroll.
Go to Payslip Settings.
Here, you can amend the email address on which payslips are received, along with other personalisation settings. You can choose from receiving the payslip on a work email, a personal email, or none. (Make sure to click on the Edit button before amending the settings and on Save when you finish.)