EPP Error Code 2400 SMTP Error Recipient address rejected User unknown in local recipient table occurs when attempting to transfer a domain which has no valid registrant email address.
To resolve the issue, the registrant will need to complete and submit FORM 2 – MANUAL UPDATE AUTHORISATION to ZA Central Registry (Uniforum SA) Legal Department.
FORM 2 – MANUAL UPDATE AUTHORISATION can be downloaded from the following page http://co.za/legal/form_02.pdf