R. Sánchez wrote:
I still haven't resolved inside-outside port 25 problems. Why can't I
telnet from the outside but I *can* smtp from the outside? I've
double-checked there are no firewall rules, smtp connections are not
using ssl or tls... Can there be some sort of ISP filtering?
Always possible. Dig up a tool called "tcptraceroute" and
try with that.
- Jeremy
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