Federico Barbieri wrote:
> Right now you just need to add a rule (match + mailet) that bounce back
> any mail if sender and/or recipient are outside your scope.
>
> If you want this to be done at the smtp level...
> I'm going to implement a simple IPFilteredServerSocketAcceptor as
> Component of the SocketManager to accept connection only from a specific
> list of IPs. So you can filer IPs on port 25.
Not accepting connections based on an IP address sounds useful
(especially if you can later combine that with DRAC(?)...as I understand
it, the concept gives your ip address temporary authentication to use
SMTP on that machine once you have connected via POP3/IMAP4), but I
think an IP address "matcher" would be useful as well (this is very easy
to put together). Then in the mail routing, after local delivery and
before remote delivery, you check whether the IP address was
non-local... if so, kill the message. I think it would be best to leave
James configured like this by default, and if admins wanted to open
James, they could do that by changing IP address restrictions.
Serge Knystautas
Loki Technologies
http://www.lokitech.com/
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