Exchange and subdomains

From: ec (a_at_a.a)
Date: 03/27/04 

Date: Sat, 27 Mar 2004 08:22:30 -0800

I have an ISP hosting this company's email for now, but I would like to have
my SBS2003 box take over that load. The benifits of an exchange server seem
worth it. My scheme (until I just go and change the MX record) is to have
an email address or two forward to a subdomain and have an MX record for
that subdomain resolve to my SBS2003 box. I had also added
me@test1.mydomain.com to my email addresses by right clicking on the me
account and adding the address to the list of addresses as an smtp entry.
The problem is that my exchange server will not accept the new addresses.

Just to be a little more clear about the setup

I have mydomain.com hosted by an ISP and there are email boxes there

I added test1.mydomain.com as an MX record and a host record

When I send a test email to me@test1.mydomain.com I get a bounced email with

me@test1.mydomain.com:
X.X.X.X does not like recipient.
Remote host said: 550 5.7.1 Unable to relay for me@test1.mydomain.com
Giving up on X.X.X.X.

Where X.X.X.X is the appropriate address, so name resolution is not the
problem.

I then telnet 25'd into the server and sure enough I get the same 550
message.

How can I resolve this? I read something about creating an OU (ie group)
and handling it that way but I do not quite see how that works.

Also, I did get the pop3 connector to work. I could add addresses and the
email would download. The only problem is that I can not specify an
interval les than 15 minutes for checking mail. This is too long in an age
when I can send mail cross country in less than 1 minute. My server does
not have that much load that it couldn't handle shorter scheduling
intervals.

I am currently running SBS 2003 Standard fresh install.

Thanks,
Ephram

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