Eltek Mail-Deliver Problem

Issue

MAils are not deliver to pop id(through jbindia server) , mail send from it@eltek.in to outer domian get deliver but when send mail to   pop in 
west@eltek.in (pop id).            

Observation

Check the local mail server . qmail running properly. MAils are deliver as shown in logs but it  actually not deliver. Then check the Jbindia in   
which spamdyke(spam filter)  is not allowed eltek ip to deliver mail at there local pop user.

Resolution:

Whitelist eltek domain

Path: /var/qmail/spamdyke/rdns-whitelist