problem with sending to yahoo users

[jiskjoy]

I am a newbie to Linux and Zimbra. I am running zcs-6.0.5_GA_2213.RHEL5_64 on RHEL 5 server. I can send email to anyone except for yahoo.com users. I have searched the forum, but I am not getting something.I checked my ptr,DNS,MX Record etc.I am getting error while sending to yahoo address.

" mail postfix/smtp[13732]: 1715222823B: host g.mx.mail.yahoo.com[206.190.53.191] refused to talk to me: 421 Message from (*.*.*.*) temporarily deferred - 4.16.50. Please refer to http://help.yahoo.com/help/us/mail/defer/defer-06.html"

Please help me to resolve this issue.

Thanks in advance

Regards
Jismon Joy

[phoenix]

Do not post duplicate messages in the forums on the same topic.

Did you follow the link you were given in the error message and search for that item? Here's what it says: 421 Message from (x.x.x.x) temporarily deferred - 4.16.50 | Yahoo! Postmaster Help

[uxbod]

Welcome to the forums

Please PM me your domain name so I can check your MX record etc.