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Is the spam filter server configured to deliver the email to your exchange server at 192.168.1.5?
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Is the spam filter server configured to deliver the email to your exchange server at 192.168.1.5?

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I don't need to change the Mx reccord since its going to the same public IP as the exchange serve was on . 
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I don't need to change the Mx reccord since its going to the same public IP as the exchange serve was on .

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We have an sonicwall SoHO3 firewall. Up to now, we had all smtp trafic forwarded to out exchange server IP. We just got a sonic wall spam filter server and I changed the smtp trafic to go to the IP of the spam filter. <br />
The problem that we are having is that we are not getting any emails going to the spam filter box. We can tlent to our IP from outside and it would show that it connected to the Sonciwall filter, but it would disconnect in les than 5 seconds. <br />
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When we change the forwarding back to the 192.168.1.5 address ( our exchange serer) emal comes in to the exchange without any problems. &nbsp;Any Ideas. ? <br />
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We have an sonicwall SoHO3 firewall. Up to now, we had all smtp trafic forwarded to out exchange server IP. We just got a sonic wall spam filter server and I changed the smtp trafic to go to the IP of the spam filter. 
The problem that we are having is that we are not getting any emails going to the spam filter box. We can tlent to our IP from outside and it would show that it connected to the Sonciwall filter, but it would disconnect in les than 5 seconds. 

When we change the forwarding back to the 192.168.1.5 address ( our exchange serer) emal comes in to the exchange without any problems.  Any Ideas. ? 



Need to change SMTP forwarding on Sonciwall SOHO3 Firewall

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

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.