Julian Pilfold-Bagwell:
> Hi List,
>
> I have a question regarding running Postfix in a DMZ. I have a UTM with
> a single IP address on it's red interface but our ISP provides a range
> of 15 IPs for hosting websites, mail, etc..
>
> I have an external IP allocated and forwarded to the mail server, but
> when remote servers perform a reverse lookup, the header contain the red
> interface IP. I tried setting proxy_interfaces = and smtp_bind_address
> = to the external IP but it still came out as the red interface. Is
> there a way of pushing Postfix into using the external IP or do I have
> to mess with DNS.
As documented the Postfix SMTP CLIENT uses the source IP address
that is specified with smtp_bind_address.
If that does not work then you made a mistake. What mistake?
See the mailing list instructions below.
Wietse
TO REPORT A PROBLEM see http://www.postfix.org/DEBUG_README.html#mail
TO (UN)SUBSCRIBE see http://www.postfix.org/lists.html
Thank you for using Postfix.