<div>
oh sorry ,i have a .com domain,before i did my exchange server with my .com domain and worked very well.<br />
after that i did my lab server with .local sufix but i do not know how to do.<br />
<br />
i did on the router pointed to my exchange server ports 25,110<br />
<br />
dns record is mail.mydomain.com<br />
what do i need to do more i do not know?
</div>


<div>
i just want to know <br />
<br />
when exchange server is mydomain.local <br />
what do i need to write in DNS server.My real FQDN mydomain.com or mydomain.local. Wich address should be in dns MX record?
</div>


<div>
i do not have external dns &nbsp;what you mean with it?
</div>


<div>
in the domain control panel ( for example godaddy). &nbsp;??? puzzle for me<br />
in Domain Controller oder in exchange 
</div>


<div>
yes now i understood thanks
</div>


<div>
<div class="content wysiwyg-content">
I created my Active Directory with .LOCAL(mail.mydomain.local<wbr />)<br />
After i &nbsp;installed exchange 2010 server i cant send mail and receive.<br />
I wrote in DNS, &nbsp;MX mail.mydomain.local<br />
But still cant <br />
<br />
idea?
</div>
</div>


I created my Active Directory with .LOCAL(mail.mydomain.local)
After i  installed exchange 2010 server i cant send mail and receive.
I wrote in DNS,  MX mail.mydomain.local
But still cant 

idea?

local exchange

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.