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Exchange 2000 cluster reverse DNS

I am trying to match my reverse DNS entry to my public mail server ip
address. All incoming mail comes in fine to my cluster's smtp ip address. However,
outgoing mail uses the active node's ip address (not the cluster ip address),
so in effect I have two possible ip addresses I am sending email from (active
+ passive node). Under the SMTP Server properties in ESM the IP address is
the same as the cluster ip address. Is there a way to match all outgoing
mail to the cluster ip address? Any other suggestions? Thanks.

Nick
0
nstefanov
Asked:
nstefanov
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1 Solution
 
SembeeCommented:
Normally with a cluster I recommend a frontend server. Gets round these problems by providing a single point of entry.

However with Exchange 2000 a frontend has to be an Enterprise Edition license, so is very expensive.
Another option would be a mail relay server to sit in front of the two servers. A standalone Windows 2003 box can do the job, so could a Linux machine. All you need to do is ensure the server announces itself correctly.

You would use an SMTP Connector to route email through the relay box.

Simon.
0
 
nstefanovAuthor Commented:
Any special configurations on this relay server or just out of the box installation?  Thanks.

Nick
0
 
SembeeCommented:
You need to configure the Windows SMTP service... these two articles will help.
The first one is for Windows 2000 as there isn't an equivalent for Windows 2003 (I probably need to write one as I do the setup very frequently).

http://support.microsoft.com/default.aspx?kbid=293800
http://support.microsoft.com/default.aspx?kbid=324272

Simon.
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nstefanovAuthor Commented:
Ok thanks for the great info.  Installed the SMTP service on a 2003 box and added a new remote domain that matches my domain name.  Under properties, I checked allow incoming mail to be relayed to this doman and forward all mail to smart host I set to my Exchange 2000 server.  Then on my Exchange cluster connector i selected forward all mail through this connector to the following smart host [ip address of SMTP server].  
When I try to send mail I get:

You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <mail.whatever #5.7.1 smtp;550 5.7.1 Unable to relay for external hosts.

I was looking for some relay persmissions on the smpt server but I can't find any relay options on the SMPT server.  There are only 2 tabls General and Advanced.  Please advise.

Thanks.

Nick
0
 
nstefanovAuthor Commented:
Never mind. Found it.  Thanks for your help.

Nick
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