Email and Website not accessible from internal network

I can't reach my website from my internal network.  When I go to the website from an external network it works fine.

Also, when attached to the internal network I cannot send email from my email account to any employee on this network (different domain, I'm connected to a hosted GoDaddy exchange using rpc).  As soon as I logged into owa from an outside internet connection, the email sent.  This tells me that NAT is working fine.  My first guess is a DNS issue but I looked and didn't see anything wrong.  The ip hasn't changed either.

RWW is available from the internal network.
www.example.com is not available from the internal network but available on the outside.
Can send emails to users from outside internet connection but not from internal.

Any ideas?  I'm stumped.
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ryan_johnstonAsked:
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nsx106052Connect With a Mentor Commented:
Sounds like there might be a firewall or another security device blocking the traffic.  Try pinging the domain to see if it resolves to the proper IP. If it doesn't then start troubleshooting DNS.  If it does I would check any firewalls, IDPs, and antivirus software to see if they are blocking the address/ domain.  
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ryan_johnstonAuthor Commented:
Thank you for your response.  Before I had checked this question again for answers I had it figured out.  Freakin Yahoo DNS servers changed their IP Address (Not my choice to use their DNS, just thought I'd mention that).  Although it was figured out by pinging the domain from an external connection.  Sure enough, that address didn't match the address in my www entry in DNS.

Thanks for the help though!
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