I'd checked my DNS Servers, and did a ping and traceroute from an external
unix shell.

they look ok to me, except you don't have an MX record for your mail.novaratech.com host.

Also, DNS Expert your mail 209.141.79.234 as an open relay, so the darn box is certainly contactable and accepting and sending mail (from anybody to anybody!! vbg).

Our users from Florida cannot access our IMail Server except by using the
Web Interface. POP and IMAP will timeout while trying to download the email.

So they can connect and start a session or they get no connection at all?

It took me about 30+ seconds to get this telnet response:

# telnet 209.141.79.234 110
Trying 209.141.79.234...
Connected to user209-141-79-234.netcarrier.net.
Escape character is '^]'.
+OK X1 NT-POP3 Server mail.novaratech.com (IMail 6.04 287-2)

That's way too long, even for USA to Paris.  So something is definintel screwey there with POP3.

Is "netcarrier.net" suppoed to be there?

Here's port scan:

Port Probe Results
Target Computer List
        209.141.79.234
                00021 - TCP - ftp
                00025 - TCP - smtp
                00080 - TCP - http
                00110 - TCP - pop3

Len


http://BIND8NT.MEIway.com: ISC BIND 8.2.2 p5  installable binary for NT4
http://IMGate.MEIway.com:  Build free, hi-perf, anti-spam mail gateways

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