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  • Users: JM69
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  1. JM69

    Forwarding mail for a single internal user to an external domain

    We recently began accepting mail for another business. One of the addresses needs to be forwarded to an external address. I need to remap user1@domainC to user2@domainD. I'm not using virtual domains currently and I am concerned by adding them I'll miss something and require a fire extinguisher...
  2. JM69

    Help with NAT

    I'm connecting a 871 router to an ISP device and need help routing traffic. It works perfectly when I can use a public IP address on the WAN interface of the 871 (whether provided by a DHCP lease or statically). But if the ISP router is using a private address range in it's DHCP scope then I...
    • JM69
    • Thread
    • Replies: 3
    • Forum: Cisco
  3. JM69

    DHCP over WAN

    We have about 150 remote offices connected with various ISP's, typically DSL, cable, or a T1. They all have Cisco routers and we use IPSec to tunnel back to our corporate office. The locations currently all use static IP addresses and we're considering re-subnetting all locations for future...
    • JM69
    • Thread
    • Replies: 0
    • Forum: TCP/IP
  4. JM69

    Duplicate domain names in e-mail address

    We've recently noticed a few users who's internal mail is hitting our external mailserver when it should not. For whatever reason, their domain in their e-mail address is getting duplicated and the servers think it is an external address. For instance: - UserA@domain.com sends e-mail to...

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