>The person in question is not on an ISP. That person is on our network. It
>is one of our IP addresses. We would like to unblock this IP address so
>that it can be used. There is no ISP at all involved. This is all
>happening on our network.
OK, then we have ruled out the most common problem.
At this point, assuming that this IP can't reach port 25 on your mail
server but other IPs can, you will need to do 2 things. First,
double-check that IMail isn't blocking the IP address -- double-check the
control access file to make sure.
If the IP isn't listed there, then you will need to use standard network
troubleshooting tools. If it were me, I would run a packet sniffer between
the client and the IMail server to see if where the packets are disappearing.
I believe in IMail the only way it will block an IP address like that (not
even send it the SMTP greeting) is by using the control access
file. Remember, if an IP address can't connect, it can't send mail *to*
your users -- therefore, it is rarely ever used (it isn't used to prevent
relaying mail).
-Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for
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