Error di Mail Server

[Linuxgeek]

Dear All,



ada yang tau resolve problem dr error ini :



Connected_to_xxx.xxx.xxx.xxx_but_greeting_failed./Remote_host_said:_421_4.7.1_[TS03]_All_messages_from_xxx.xxx.xxx.xxx_will_be_permane ntly_deferred;_Retrying_will_NOT_succeed._See_http ://postmaster.yahoo.com/421-ts03.html/I'm_not_going_to_try_again;_this_message_has_been_ in_the_queue_too_long./

Mohon bantuannya ya...