Imail Professional 8.11 (all patches, etc...). All of a sudden certain (brand new) machines cannot connect to the server. This is all on a LAN, dedicated IP range in the DHCP scope that hasn't changed. I try to telnet to SMTP on port 25, nothing. Outlook can't connect to SMTP or POP3. I've checked my sys* log files, nothing there, doesn't even show the connection attempt.
Can you telnet to port 25 or port 110 *from* the IMail server, to the IP 127.0.0.1 (localhost)? If you can telnet from the IMail server to itself, but cannot from other computers, then there is most likely a networking issue (the next step in this case would be to try telneting to the IP of the IMail server from other computers, if you haven't yet, instead of using the name). If you cannot telnet from the IMail server to itself on ports 25/110, then the SMTP/POP3 services are probably down, and should be restarted.
-Scott
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