I'm assuming (I do this alot) that the Exch 5.5 server is seperate from the
webserver attempting to send mail.  You probably have some type of SMTP
component running on this box that relay's mail to the Exchange Server.  If
this component is SMTP service that comes with IIS 5.0 (or 4.0) then you
probably have the IP settings set to "All unassigned".  Or, you could be
sending all requests to your internal mail server?

In the first scenario I would suggest this:  Is there anyway to configure
your app to use different "mail relays" depending on the domain name.  For
example, you could modify your app to use the local relay (127.0.0.1) to
send non-internal mail.  Setup the local relay to use DNS for resolution
type.  Send all internal (your domain) to the internal address.

If your sending all requests to the internal mail server you might try
adding both IP addresses to the ACL list for routing then restart the IMC
service.

Murphy

-----Original Message-----
From: Ludwig, Mark [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 10, 2002 2:09 PM
To: Exchange Discussions
Subject: RE: Relay Restrictions


The IP address is the address of the internal server that is running the
app:
IP 192.206.170.200
SM 255.255.255.0

It IS a multihomed server
I did restart the IMC service (several times by now...)

Thanks


-----Original Message-----
From: Steve Johnston [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 10, 2002 2:28 PM
To: Ludwig, Mark; [EMAIL PROTECTED]
Subject: Re: Relay Restrictions


Mark,

What IP address and subnet mask are you specifying under Routing
Restrictions?

Steve

>>> [EMAIL PROTECTED] 01/10/02 01:59PM >>>
I have a problem that, hopefully, someone could help me out with. I have a
app that provides customers with an online store that includes a form that
they can fill out to order product. This form fires off 2 emails, one to our
internal people to let them know a new order as been placed and the other
email is a confirmation sent to the user to acknowledge receipt of their
order. The app uses Miva script (similar to XML) to create the email and it
runs on a server in our network.  
The problem is our mail server (Exchange 5.5 SP4) is not allowing the
acknowledgment to be delivered because relaying is prohibited. So the
original mail (internal) gets delivered fine but the mail that gets sent
externally (to the users email) never gets sent. When I review the logs I
see:
RCPT TO: <[EMAIL PROTECTED]>
550 Relaying is prohibited
I have gone to the routing restrictions & enabled the "hosts and clients w/
these ip addresses" and entered the IP address and mask of the system
generating the emails as outlined in KB q196626 but the error is the same.
I've reviewed q259531 on how to configure smtp relay for domains but I don't
believe it is applicable to my case. Is there someway around this? If anyone
has any suggestions I'd appreciate it.

Thanks,

Mark



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