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There is not AV software running on these machines. <br />
I am able to telnet IP 25 from my 2007 server to my 2013 server. I can also telnet IP from 2013 to 2007 server
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There is not AV software running on these machines.
I am able to telnet IP 25 from my 2007 server to my 2013 server. I can also telnet IP from 2013 to 2007 server

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If they are both inside the network , &nbsp;your mail traffic is probably directed to the ip of the 07 server by rules in the firewall, double check its config
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If they are both inside the network ,  your mail traffic is probably directed to the ip of the 07 server by rules in the firewall, double check its config

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Thanks, your comments helped me locate the problem which turned out to be network time issues between the two exchange servers.
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Thanks, your comments helped me locate the problem which turned out to be network time issues between the two exchange servers.

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<div class="content wysiwyg-content">
I have two Exchange servers 2007 and 2013. Currently mailboxes on the 2007 server are sending and receiving emails. How ever users on 2013 are not able to send or receive emails.<br />
<br />
The Exchange 2007 is running the Hub Transport and is responsible for sending emails. <br />
<br />
Each is a stand a lone machine. If anyone has any ideas your suggestions are welcome.<br />
<br />
Thanks
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I have two Exchange servers 2007 and 2013. Currently mailboxes on the 2007 server are sending and receiving emails. How ever users on 2013 are not able to send or receive emails.

The Exchange 2007 is running the Hub Transport and is responsible for sending emails. 

Each is a stand a lone machine. If anyone has any ideas your suggestions are welcome.

Thanks

Exchange 2013 not sending or receiving Emails

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 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.