Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
You won't be able to telnet to the outside interface if you are also nat'ing out our connection. Try doing the telnet to the 25 or 110 ports from a host that has a real public ip address ( not nat), and I'll bet you will be able to; this is working a...