Exchange 2007 Open Relay

How to check open relay in exchange server 2007. I mean how to find out whether the exchange server is open relay or not.

Kindly suggest me...Thanx in advance........
mahtab786_dbiAsked:
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greesh_hemCommented:
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JoWickermanCommented:
Hi mahtab786_dbi,

You can use this tool:

http://www.checkor.com/

I use it for all my new clients and it works!

Cheers.
0
mahtab786_dbiAuthor Commented:
I mean, how to check and confirm the configuration of exchange 2007 ,whether it is open relay or not....

Please.........
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greesh_hemCommented:
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JoWickermanCommented:
Oh...

Well, you can use telnet to confirm.

telnet yourserver 25
helo there
mail from: you@yourdomain.com
rcpt to: someone@somewhereelse.com

If it gives you 550 5.7.1 at that point you don't have an open relay.

Cheers.
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JoWickermanCommented:
Hi,

Are you happy with the solution? If so, you can close the question and award points.

Cheers.
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