Inbound Mail Error of E-2003 behind Single NIC ISA2004/smtp relay
- From: jt <jt@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 21 Sep 2006 01:51:02 -0700
I have following setup:
HP Proliant scsi based server running Windows 2003 R2 32-bit standard
Edition with
following roles and applications:
- domain controller
- dns (internal only),dhcp,wins,file and print services
- data,IIS 6.0, smtp, nntp, wwb services
- exchange 2003 Standard Edition with SP2 with private and public edb
database not on default
or system drive
Network is setup as follows:
- the above server is the first DC on new windows 2003 domain (with .local
ext) co-existing
with an existing windows 2000 domain with Active Directory that was setup
with the organisation's
internet domain name (i.e. *.domain.com.pg)
-private range of 192.168.0 network with access to internet via router
-External name resolution (for dns) including mx records are maintained by
ISP. The router
does NAT to translate incoming/outgoing smtp,mail and web request through
ISA2004 Server
-ISA2004 Server is on single NIC setup acting as web proxy and smtp relay
host of
inbound and outbound mail
- less than 70 computers and users
-previous mail and proxy services for the organisation was setup on Free-BSD
system
that was responsible for incoming/outgoing smtp,mail and web request with
POP3 Services
for popping users' mailboxes to Outlook clients
Current Scenario:
- Mail is successfully sent out (outbound mail) by internal user via the
smtpt relay host
(which is also the ISA Server). The server is also supposed to relay
incoming smtp traffic and
forwarding to above mail server.
-nslookup and telnet of other organisations mail servers is successful.
Problem:
When replying to recepient, the following errors is generated:
This is an automatically generated Delivery Status Notification.
Delivery to the following recipients failed.
user@xxxxxxxxxxxxx
Message/delivery-status
Reporting-MTA: dns;[Exchange Server]
Received-From-MTA: dns;[smtp relay server]
Arrival-Date: Mon, 18 Sep 2006 16:41:04 +1000
Final-Recipient: rfc822;user@xxxxxxxxxxxxxxxxxxxxxxxxxx
Action: failed
Status: 5.0.0
X-Display-Name: User's [FirstName Surname]
I did a search on Internet and found a possible solution which mentioned the
Internet name formats must have a value of "*".
However, my setup has the default of "*" and no other entries but I still
get the erro.
I think smtp relay host plus firewall policies are OK on ISA2004 Server and
suspecting that
I must have missed an important configuraiton of Exchange via System
Manager...
I'd greatly appreciate help from any one out there.
.
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