Update manufacturer email address

You can add one more email address by appending each email with a ',' character e.g. 'first@email.com,second@email.com'

To change the manufacturer email address do the following:

1. Navigate to the admin of Sign Customiser for your store
2. Click on "Customisers" in the home menu
3. Click on the customiser you wish to edit
4. Click on "Manufacturer email" in the left-hand side menu
5. Add the email under Receiver Email and click Save on the bottom right to save the changes.