I have a problem with our Cisco 801 Router. We have recently just installed the Cisco router to replace a GT70 model. Since installing the router our e-mail server, using Exchange 5.5 has been unable to download smtp e-mails from our ISP. The e-mail server is also acting as the companies proxy server and is set-up as the gateway to the router.
Is there a specific setting I need to set on the Cisco Router to allow Exchange 5.5 to be able to download smtp mail. There is no problem sending e-mail through the router only receiving.
Check your access lists to make sure nothing is being denied. You might be blocking ident protocol or something. Can you telnet to the ISP mail server on port 25 and get the mail banner? Maybe the old routers arp entry is still present in the servers arp table. Have you tried a reboot?
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...