[SOLVED] Exchange 2003 on SBS 2003

System10 · Oct 14, 2011

I have added a second email domain to a clients Exchange system and all is working fine with that address.
I have now been asked to add a third email domain so I followed the same steps that I took when adding the second domain but the new address is not working. When I send a mail to it I get an undeliverable reply back from the postmaster at the second domain saying the address cannot be found.

I have checked the MX records and they are pointing to the same place as the 2nd address.
I have created a new recipient policy for the 3rd address.
I have updated AND rebuilt the Recipient Update Service.
I have added the relevant IP address to the relay restrictions "Allow" list.
I have restarted both the SMTP and Exchange Routing Engine services.
I have added the 3rd address to the MailMarshal domains.
I have added the 3rd address to the MailMarshal routing table.

I have noticed that the 3rd address has NOT filtered through to AD but the 2nd address has.
I have manually added the 3rd address to one of the users in AD and tried to send a mail but got the same undeliverable reply come back.

I am running out of ideas!

2xg · Oct 14, 2011

Re: Exchange 2003 on SBS 2003

Hi System10,

I dont' see in your check list about Host (A).
Check your DNS Manager where Exchange Server running - Did you create a Host (A) for the 3rd Domain and point to the correct IP?

If you're not sure about the IP, you may find out from WhoIs.

You may also do a nslookup and see what IP the 3rd Domain is pointing to. Here's an example of what the dnslookup results, if the configuration is setup correctly.

Server: server.company.local
Address: 10.10.0.X

Name: domain3.com
Address: 216.227.X.X

I hope that I explained it clearly. It has been a while since I've worked on SBS2003, shd somewhat similar config on SBS2011

System10 · Oct 17, 2011

Re: Exchange 2003 on SBS 2003

Hi 2xg,

I'm a little confused now. As far as I was concerned, A records didn't even play a supporting part in getting the 2nd domain email up and running. I didn't have do do anything with them and no one mentioned them to me as being something I'd have to configure. I followed exactly the same steps for the 3rd domain email but no cigar.

I will look into the A records though and see what I can find as I've obviously missed something vital. Thanks for the heads up.

System10 · Oct 26, 2011

Re: Exchange 2003 on SBS 2003

Okay, so I got this problem nailed. In the end it was simply the order of the addresses in the MailMarshal routing table! It's always something simple...

Thanks for your help.

2xg · Oct 27, 2011

Thanks for letting us know. Good to hear that all is sorted.

[SOLVED] Exchange 2003 on SBS 2003

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