On Thursday, March 23, 2006, 17:25:23, James Nelson wrote:
> I am inserting an email gateway inbetween the internet and our Imail
> server,
Is this what you're planning?
Internet --- router --- gateway --- IMail server
or this?
Internet --- router --- hub/switch --- gateway
+--- IMail server
> and was wondering if I can restrict inbound SMTP traffic to only come
> from a specified IP or Authed users.
Inbound to the gateway or to the IMail server?
You could filter IP addresses on your router
> Basically, the only SMTP connections to this server should include:
> 1. messages from our gateway to local users
> 2. messages that local users send (either to other local users or
> outside our network) The other possibility that I want to prevent is:
> 3. messages from outside our network that sends email directly to our
> Imail server bypassing our gateway (where the MX records indicate it
> should go).
So configure the access lists on the router to block port 25 access from
the Internet to the IMail server.
--
[EMAIL PROTECTED] "The avalanche has already started, it is too
Rod Dorman late for the pebbles to vote." - Ambassador Kosh
To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html
List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
