Verify exchange settings

I have a client who went from using yahoo email to their inhouse SBS 2003 server as the exchange.  

How do I verify if this is actually the case now.  I just need to verify that they are now using the SBS2003 for exchange, but how?
vulture714Asked:
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NavdeepCommented:

The header will look something like this if it's not stripped by firewalls.

 from xxxx by yyyyyy.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675);
       Wed, 23 Feb 2011 12:42:12 -0800

Even telnet will show you same info in terms of version no.
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MegaNuk3Commented:
Get them to send a mail then check the headers or try and telnet on port 25 and see if you get an answer from "MS SMTP"...
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vulture714Author Commented:
How do I check for headers...lamens terms...not very familiar with Exchange.
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NavdeepCommented:
Hi,

do this from your client

telnet mxRecordOfDomain 25

so when you hit enter you will see something like this

220 hostname.domain.com Microsoft ESMTP MAIL Service, Version: 5.0.2195.1600 ready at Thu, 30 Nov 2000 18:09:43 -0600

So from SMTP version you can figure out if it's which version of exchange it is. The above one is just an example.





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MegaNuk3Commented:
To check an Internet mail's headers, open the mail in Outlook and do tools/view Options on it and you should see the Internet header.
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