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thanks both... I'll check with the ISP if they can do anything for us. Thanks

The CP hardware that I'm trying to set up is Check Point VPN-1 UTM Edge. We do no longer have the support subscription, so we cannot upgrade, and we're running Firebox System Manager 7.0. If the email shot is a case, how would I prevent that?

but can the default gateway same as the IP of the WAN interface? The drop-in mode of Firewall allows that but CheckPoint doesn't have such mode. We do not have Nat'ing setup. We just set the rules for different protocols. Our existing firewall is WatchGuard Firebox II (WG1200). If what you...

You're right that the WAN IP is connected to the external gateway. What happens is that our ISP does all the routing. They give us an external IP which is aaa.aa.aaa.1, and the IP from aaa.aa.aaa.4 to aaa.aa.aaa.127 are use for our servers/web sites. Therefore, our default gateway is...

Hi, I am having a hard time to set up the Checkpoint firewall, and it looks to me that Checkpoint doesn't allow WAN and LAN interface on the same subnet. The WAN IP is aaa.aa.aaa.1, while IPs of the web sites/the servers are between aaa.aa.aaa.4 to aaa.aa.aaa.127. We were using WatchGuard...

Hi, We host our own mail server (IMail on Windows NT) internally. Everyday, we send several emails from the system to each of our members. Evidently, for some members, 1 or 2 out of the several emails are being bounced back as undeliverables daily, for example, 2 out of 7 came back, while 5...

Hi, Hope someone will provide a solution, as this is very important to us for sending emails. I have set up the PTR records in the in-addr.arpa zone for our domains. When you request the reverse lookup outside of our network, the DNS wouldn't return the IP for you. It appears that no PTR...

Hi, I have just found that some emails are being rejected by other mail servers because the PTR record of our mail server doesn't match the MX record in the DNS. However, I have checked the DNS, and I am sure that I have set the PTR and MX with the correct value. Why do some mail servers see...

Hi, We have changed the IP addresses of our network because of a new ISP. Our mail server (mail.xxxx.com) used to have the IP address of 209.20.100.2, and we have changed to 208.30.212.2. We also changed the records in the DNS accordingly. However, whenever we ping mail.xxxx.com at the mail...