On Mon, Jun 29, 2009 at 03:21:16PM +0200, 'the other machine' wrote:
> Hello!
>
> Running OpenBSD 4.5 on a vm I receive the error 'administrative
> prohibition' when passing smtp traffic from another machine through
> pf.
>
> This only occurs with one provider but it does not occur with that
> same provider if emails are not passed through pf but instead sent
> directly.
>
> So, obviously pf changes something somewhere which keeps the emails
> from getting accepted by the server. The rule specified for my
> outgoing smtp traffic is as follows:
>
> pass out on $ext_if proto tcp from any to any port smtp
>
> Does anyone know what I have to do in order to get my email traffic to
> this service provider unhindered?
A random guess: the receiving machine doesn't like your (lack of)
reverse DNS when the request is passed through the firewall.
Joachim
