com.sun.mail.smtp.SMTPSendFailedException: 553 Relaying disallowed

i am trying to send email using java client and everytime i get relaying disallowed error. i verified that the email address is in send email as list also as suggested in other posts.

#email settings

smtp.host=smtp.zoho.com

smtp.port=587

smtp.username=<correct email address>

smtp.password=<correct password>

smtp.auth=true

smtp.starttls=true

smtp.quitwait=false