I have just stepped into a networking job that has a sonic wall gateway that I am no familiar with. It is a model: TZ 100 running firmware SonicOS Enhanced 220.127.116.11-46o. It has a public static IP address and a DNS A record is pointed at that IP, the domain's mx record is pointed at the A record which should land at the doorstep of my sonic wall. I have an Exchange server 2003 in my LAN and a Barracuda Spam Filter in my LAN.
I would like to forward mail traffic both in and out through the sonicwall to the Barracuda and from the exchange server to the web.
When sending mail from my gmail account (Outside In) it bounces immediately with this message:
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.7.1 Unable to relay (state 13).
When sending mail from exchange account (Inside out) I get this after the timeout,
Your message did not reach some or all of the intended recipients.
Sent: 1/14/2013 11:06 AM
The following recipient(s) cannot be reached:
firstname.lastname@example.org on 1/16/2013 11:21 AM
Could not deliver the message in the time limit specified. Please retry or contact your administrator.
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