I have exchange 2003 installed on windows 2003 enterprise edition which is hosted to receive and send email internally its really working good and but externally through a smtp the problem is i can telnet my exchange server with private ip but cant telnet with my public ip?
My system have 2 nic card one for private ip and another for public ip
I have configured routing and remote access and i have enable SMTP 25 WAN properties. I have attached screen shot of that for your reference.
private ip of my exchange is 192.168.1.100
public ip is 188.8.131.52
if i telnet 192.168.1.100 i get this error
C:\>telnet 192.168.1.100 25
s.local Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959
ready at sun, 15 jun 2008 12:33:55 +0530
if i telnet on my public ip i get the response
c:\telnet 184.108.40.206 25
Connecting To 220.127.116.11...Could not open connection to the host, on port 25: Connect failed
please let me know the sol