The official Passenger Rail Agency of South Africa (PRASA) email address is prasa.com
The scammers just created their email address in June 2019 with a hope of fooling the public.
Official Prasa Tenders/Quotations can be found at http://www.prasa.com/Tenders.html
Kindly block metrorailpta.co.za and the sender to stop receiving any further communication.
Government Scams Warnings