exchange 2000 probleme

[allaoui]

hellow,
i have a problem with my server exchange 2000. when i send the message to some domains i received
Certains des destinataires ou tous les destinataires n'ont pas reçu votre message.

Objet : my object
Date : 31/07/2008 14:27

Impossible de contacter le(s) destinataire(s) suivant(s) :

xxx@xxx.xxx le 01/08/2008 02:32
Could not deliver the message in the time limit specified. Please retry or contact your administrator.
<xxxx.mydomain.xxx #4.4.7>

xxx@xxx.xxx le 01/08/2008 02:32
Could not deliver the message in the time limit specified. Please retry or contact your administrator.
<xxxx.mydomain.xxx #4.4.7>
if you have any solution please help me

thanks in advance

 

[noveyron]

Run the reverse DNS test at

http://www.dnsgoodies.com/

If it tells you that you have no rDNS configured, speak to your ISP and get a rDNS record.

There are a number of reasons why you may get a 447, rDNS is the first place to look.