Tuesday, May 8, 2012

How to NAT mail server using Sonicwall

Login to Sonicwall and select NAT policies under Network options

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Add a NAT policy

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Add a reverse policy for inbound mails

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Now add a Routing to send the mails from the same IP to avoid RDNS errors

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Finally Allow to access the mail Server from Outside via SMTP and HTTP

under Firewall select WAN to LAN and choose these options.



 

Now you're done .open the http://ping.eu/port-chk/ website and enter u r public ip address to validate the selected ports are opened or not.

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