SMTP test ,

  • From: "Exchangeuser" <smita_gune@xxxxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Wed, 13 Apr 2005 04:47:17 -0600

Hi

I am using exchange 2003 Exchange server in Front end/back end enviorment
.

When I am doing SMTP test with telnet to my server,It works well with
outside user,means it is not allowing to send email to outside world.
But it is allowing to send email in my domain from any user to any user .
How can I provide authentication for sending mail ?

Is it an open relay ?

I know it is not on internet, but it is on internal network.

how can I stop this?

Please help me





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