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Sonicwall port forward email to vpn

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Last Modified: 2015-03-08
We've had a hardware failure of our spam box and while it is down I want to forward email directly to the email servers. For most I just created a new rule in my sonicwall to send it directly to the email server which is on our lan. One of the email servers is on the other end of a vpn.

The vpn is between my sonicwall tz205 and a tz105. The tunnel is up and working fine. On my lan if I telnet across the vpn to the email server it works just fine but I cannot get the sonicwall to do it. It seems like a pretty simple idea.

I searched google and found a couple of resources for doing this and followed them step by step but it doesn't work for me. There must be a simple way to tell the sonic wall to just forward the mail coming from one external IP address to an IP address on the vpn but I can't seem to find it.

Any help is appreciated.
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