If you want to transfer a domain name from one domain name registrar to another, you’ll have to pass through a couple of safety steps. One of them is obtaining a unique EPP authentication code from the current registrar company – as long as you are the domain registrant, since the code is sent to the owner's mailbox and no one else can see it. You will have to give this code to the new registrar, otherwise they will not be able to start the domain name transfer procedure. The EPP authentication codes are case-sensitive and may comprise of digits or special symbols such as dots or commas, which can be easily misentered, so make sure you copy & paste the right code. As an extra safety measure, the transfer code for a domain name may be altered regularly. Some companies call this code a domain password, an Auth key or a domain secret as well.