I can send email from Exchange 2007. I can send and receive email between the two server (internal).I cannot
send external emails from Exchange 2013. I get this
Diagnostic information for administrators:
Generating server: MBOX-1.xxx.xxx
Receiving server: SRV-EXCHANGE.xxx.xxx (192.168.0.xx)
xxx@gmail.com
Remote Server at SRV-EXCHANGE.xxx.xxx (192.168.0.11) returned '400 4.4.7 Message delayed'
6/9/2015 1:04:20 AM - Remote Server at SRV-EXCHANGE.xxx.xxx (192.168.0.11) returned '451 4.4.0 Primary target IP address responded with: "421 4.3.2 Service not available, closing transmission channel." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 192.168.0.11:25'
I have the Exchange 2007 allow the CAS IPs of Exchange 2013.
Diagnostic information for administrators:
Generating server: MBOX-1.xxx.xxx
Receiving server: SRV-EXCHANGE.xxx.xxx (192.168.0.xx)
xxx@gmail.com
Remote Server at SRV-EXCHANGE.xxx.xxx (192.168.0.11) returned '400 4.4.7 Message delayed'
6/9/2015 1:04:20 AM - Remote Server at SRV-EXCHANGE.xxx.xxx (192.168.0.11) returned '451 4.4.0 Primary target IP address responded with: "421 4.3.2 Service not available, closing transmission channel." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 192.168.0.11:25'
I have the Exchange 2007 allow the CAS IPs of Exchange 2013.