Dear Mr/Mrs/Ms,

I have e-mail server using Centos 4.3 So far I can send and receive e-mail using this server, but why to this address: retna@pttropical.co.id can not send? Every time I send e-mail to above address my server always respon with this massage:

----- Transcript of session follows ----- retna@pttropical.co.id... Deferred: mail.pttropical.co.id.: No route to host Warning: message still undelivered after 4 hours Will keep trying until message is 5 days old

Please help me solve this problem!

Previously Thank yuo for your help.

Regards,

Horasima SML.