Relay Broadcast can support the relay of a document up to a maximum of 48 fax machines through conventional telephone lines. If you try to send a document to over 48 machines, the following error message will be printed: “Relay Error”.
Relay Broadcasting does not support the relay of color files types.
Relay Broadcast from a machine
FAX@brother.com UKFAX@brother.co.uk 123456789
INTERNET 
UKFAX@brother.co.uk (fax#123456789)
Your machine has an E-mail address of FAX@brother.com, when you wish to send a document from this machine to another machine in England with an E-mail address of UKFAX@brother.co.uk, this machine will then forward the document to a standard fax machine using a conventional telephone line. If your E-mail address is FAX@brother.com, you must configure a trusted domain name of brother.com on the machine in England that will broadcast the document to the conventional fax machine. If you do not enter the domain name information, then the machine in the middle (the machine that will broadcast the document) will not trust any internet jobs that it receives from the machine in the @brother.com domain.