The text at the bottom of the emails pulls the contact email address from the organisation's email address that has been configured in Customise Your Organisation.
The text that the email address is inserted into is:
The contents of this e-mail are confidential and intended only for the person to whom it is addressed. If you are not the intended recipient, please delete the message and any copies held on your system and notify [ORGANISATION NAME] at [EMAIL ADDRESS] immediately. Please do not copy or deliver this message to any other person.
