Exchange 2000 unable to determine next mx record for a domain.
- From: "Don McCall" <DMcCall@xxxxxxxxxx>
- To: <exchangelist@xxxxxxxxxxxxx>
- Date: Thu, 13 Jun 2002 09:44:54 +1000
Hi I am new to Exchange 2000, perhaps there is someone out there who can
point me in the right direction.
We have 2 MS Exchange 2000 servers. They are both set-up in exactly the
same way, each has its own MX record and they both go through the same
firewalls using the same rules. They both use the same external DNS
servers. One server has no problems sending to the "offending domain"
The other server fails with a connection dropped status. The
Administrator of the other domain has admitted to having the first MX
record as a non connecting record (he says for security reasons).
However the first server still finds the secondary or tertiary MX
records and delivers the messages. The second server does not seem to
cope with this. Using the message tracker tool it appears that the
message gets as far as "SMTP:message Submitted to Categorizer" then goes
into la la land and eventually comes back with message undeliverable.
What is happening?
Where is the problem?
What mechanism does Exchange 2000 use to deduce the next valid MX record
for a domain?
Any help would be very much appreciated, thank you for your help.
Regards
Don McCall Email: dmccall@xxxxxxxxxx
Infrastructure Administrator - Information Systems
Baptist Community Services NSW & ACT
Website: <www.bcs.org.au> - Telephone: (02) 9941 6054
Fax: (02) 9889 1520
Address: Corporate Services - 157 Balaclava Road Marsfield NSW
2122
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