server email dose not reach to yahoo

[morteza-icu]

hi
its 3 days that my dedicated server emails dose not reach to yahoo,
but there is not any problem to other mail service such as gmail , ....

i checked mail queue in directadmin and get this error :

2013-04-25 21:13:57 Received from [email protected] U=apache P=local S=462 T="test"
2013-04-25 21:13:58 [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host

 

[nobaloney]

Is your server on any blocklists? Only the Yahoo Postmaster can tell you why they're blocking your server.

If you're sending lots of mail to Yahoo you may need to fill out this form (yahoo.com).

Jeff