Yes, you can! Simply go to the settings tab on your Dashboard and click the edit button. You'll then be prompted to proceed with Multi-factor authentication by inputting the OTP sent to your email. After OTP verification, you can now input your updated email address and then click the save button to save the changes you have made.
In the case that you can't change your email address because your account is currently under review for activation, you could simply let your onboarding officer know that you want your email changed or you could wait until you're activated to change it with the steps listed above.