However, my concern is that Imail is waving a flag and saying I am using an
internal IP address by way of this log line:
2006-05-30 01:11:05 Local7.Debug 127.0.0.1 SMTP
(fe080198000003a3) [x] using source IP for mail.eservicesforyou.net
[192.168.41.39]
... you logs are publicly available?
I guess my question is if DNS was setup perfectly to where any request for
resolution to the OHN returned a public IP, but the Imail registry value for
address for the OHN was a private IP, would Imail still announce itself as
using a private IP?
of course, Imail resolves/knows stuff from its own settings, hosts
file, etc, before querying DNS.
I guess to test this I would send a message through my server to some one
directly who would then check their SMTP log to see exactly what information
was given.
Because of your DNS setup, I can't telnet to your Imail to see the
SMTP greeting, which is the only place Imail would announce it's IP
in the SMTP dialog, and afaik, Imail doesn't do that:
telnet mail.go2france.com 25
Trying 81.255.84.73...
Connected to mail.go2france.com.
Escape character is '^]'.
220 ms1.meiway.com (IMail 7.07 115006-1) NT-ESMTP Server X1
If you really want to hide your internal IPs, have IMGate header
checks IGNORE (strip) any Received: lines that match the IMail
Received: headers.
And stop publishing RFC1918 IPs in your public zones.
Len
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