Darren Pilgrim:
> On 11/23/2014 8:42 PM, Peter wrote:
> > On 11/24/2014 02:25 PM, Darren Pilgrim wrote:
> >> You can't use policy services with the smtp client, only the smtp server.
> >
> > Weitse's proposal to use tcp tables is probably a better approach
> > anyways, but you can use a policy daemon and route from smtpd.  The
> > point is you're routing *from* smtpd to a specific smtp transport.
> 
> Nexthop transport isn't determined until after smtpd hands off the 
> message to cleanup.

Under very limited conditions, an SMTPD access table or policy
server can specify a filter action like this:

    FILTER ipv4-only-transport:

This will send mail over the ipv4-only-transport to the SMTP
destination host.

        Wietse

Reply via email to