From: Jaskula Thomas (thomas.jaskulabci-info.com)
Date: Tue May 03 2005 - 08:59:53 CDT

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>> I tried to send the mail from third party domain to another domain which
>> is
>> not the domain of my server. The message was accepted.

> Your server is behind a firewall. Does the firewall forward the port to
> your
> server or is a mail service already running on the firewall that accepts
> all
> mail and then relays it to your mailserver?

>>mynetworks = 192.168.207.0/24, 127.0.0.0/8, 192.168.200.0/24`

> In that case, this rule would allow any mail coming from the internal
> interface of your firewall to be relayed by your server.

> If that is the case forward the port directly to the server, that way the
> servers gets a connect from an external ip and the sending server is no
> longer port of $mynetworks.

> Sandy

Thanks for your help. It was my ISP that forwarded all the mails on the DMZ
of my firewall. Postfix saw it as a trusted network and relayed all the
mail. Thanks again.

Thomas

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