Email Setup not working - Relaying Disallowed

Email Setup not working - Relaying Disallowed

SMTP -> FROM SERVER:220 mx.zohomail.com SMTP Server ready January 6, 2014 11:57:31 PM PST
SMTP -> FROM SERVER: 250-mx.zohomail.com Hello techchamp.co (198.*.*.* (198.*.*.*)) 250-SIZE 25000000 250 AUTH LOGIN PLAIN
SMTP -> FROM SERVER:250 Sender OK
SMTP -> FROM SERVER:250 Recipient OK
SMTP -> FROM SERVER:354 Ok Send data ending with .
SMTP -> FROM SERVER:553 Relaying disallowed
SMTP -> ERROR: DATA not accepted from server: 553 Relaying disallowed