550 5.7.1 Unable to relay hub transport

Hi!

I get error: 550 5.7.1 Unable to relay

And from the app:
    DllDate: Jan 29 2008
    Username: Administrator
    Component: ActiveX
    Using existing/open SMTP connection to send email.
    subject: TEST MAIL
    reversePath: user1@domain.no
    recipients:
      550 5.7.1 Unable to relay
      Fail

The thing is that i have a app server that sends mail, how should the hub transport be set up?

LVL 1
myhrvoldAsked:
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mittermuellerCommented:
Setup a special connector allowing only this ip to relay...
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myhrvoldAuthor Commented:
Hi!

I have a spesified connector for just this IP.....

NETWORK:
Local ip is the ip to this server
Recive mail ip is the ip for the app server.

AUTH:
Transport Layer Security is ticked

PERMISSIONS GROUPS:
Anonymous users is ticked
Exchange users are ticked
Exchange servers are ticket
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AkhaterCommented:
check my article in my first post
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myhrvoldAuthor Commented:
Just run?

New-ReceiveConnector -Name AllowRelay -usage Custom -Bindings 'mydomain.com:25' -fqdn server.domain.com -RemoteIPRanges WebServerIpAddress -server MYEXCHANGESERVER -permissiongroups AnonymousUsers
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AkhaterCommented:
Did you read my article ? it is just 4 steps
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mittermuellerCommented:
Why use TLS?
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Alan HardistyCo-OwnerCommented:
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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