Pulling mail with a firewall in place |
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EXPERT RESPONSE FROM: Michael Lazar
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QUESTION POSED ON: 08 January 2003
We recently installed a firewall and created a DMZ, and set up a Lotus Notes server (5.0.10 ) on a DMZ. (serverA).
We have another server ( serverB) on the other side , on our LAN.
The firewall rules only allow the serverB to connect to serverA via port 1352 (only in this way ). The replication works OK, but the mail routing only pushes mail from serverB to serverA.
Do you have a suggestion to make serverB pull mail from serverA, without changing firewall rules, and without a modem connection? (this is the solution we have set up , but it's very slow)
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No. 1352 must be open both ways for mail routing to occur. The server doing the sending must be able to see the other server. A server cannot query another to pick up mail. Even if pull-push routing sounds like this, it is not. You must change your rule. Frankly, I don?t see why it?s a big problem. Make it a point-to-point rule, and from Domino, encrypt the port. It will be the most secure connection you will have between your inside and outside.
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