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This should do the trick (not the exact model, but the procedure should be similar):-<br />
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<a href="http://portforward.com/english/routers/port_forwarding/Draytek/Vigor2910/SMTP.htm" rel="ugc">http://portforward.com/english/routers/port_forwarding/Draytek/Vigor2910/SMTP.htm</a>
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This should do the trick (not the exact model, but the procedure should be similar):-

http://portforward.com/english/routers/port_forwarding/Draytek/Vigor2910/SMTP.htm [http://portforward.com/english/routers/port_forwarding/Draytek/Vigor2910/SMTP.htm]

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I've just setup and configured an exchange server on our network for the first time. I've configured the MX record to point to our static IP address but I need to configure the firewall to foward the request to the exchange server - what do i need to do on a Draytek Vigor 2820 router?
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I've just setup and configured an exchange server on our network for the first time. I've configured the MX record to point to our static IP address but I need to configure the firewall to foward the request to the exchange server - what do i need to do on a Draytek Vigor 2820 router?

Opening the firewall on a Draytek router to access the exchange server

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.

Software Firewalls

Transmission Control Protocol/Internet Protocol (TCP/IP) is the set of networking protocols that define end-to-end connectivity specifying how data should be packeted, addressed, transmitted, routed and received at the destination. This functionality is organized into four abstraction layers which are used to sort all related protocols according to the scope of networking involved.