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From John Hardin <>
Subject Re: Mail Marked Spam For VPN Users
Date Tue, 13 Apr 2010 03:03:48 GMT
On Mon, 12 Apr 2010, Carlos Mennens wrote:

> When users are on the LAN, their client IP is in range of
> 'mynetworks' parameter via Postfix. When they're home and VPN into my
> network, they fire up Outlook / Thunderbird & send email as they would
> if they were sitting in the office. However their client IP is now
> their ISP connected IP and their reverse DNS is not correct so SA
> thinks this is a spammer without a proper RDNS entry per RFC
> guidelines. Is there a way to fix this mix up?

When they connect to your mail server via your VPN, are they connecting to 
the _private_ IP address of the mail server? If they are connecting to the 
_public_ IP address then the fact that they are using a VPN is probably 
irrelevant as traffic isn't traversing the VPN.

I suspect this is a VPN configuration issue, not a SA issue.

  John Hardin KA7OHZ              FALaholic #11174     pgpk -a
  key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
   The world has enough Mouse Clicking System Engineers.
                                                        -- Dave Pooser
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