On Thu, 2009-08-13 at 20:46 +0100, Mike Cardwell wrote:
> Ross Boylan wrote:
>
> > helo_data = ${if match_domain{$host}{*.alioth.debian.org}{upstrm185.psg-ucsf.org}{$primary_hostname}}
> >
> > Is there a better solution? Will the previous modification work?
> >
> > I don't think changing the DNS info for our external IP [38.99.193.74]
> > is possible, because all our outbound traffic from all machines goes
> > through it.
>
> If you can't change the DNS, why not just change the helo? You've
> already shown you know how to do it with helo_data. Why not just have this:
>
> helo_data = upstrm185.psg-ucsf.org
>
Our sysadmin is concerned that if the upstream name changes we'll be
need to change the rule again. The networking environment we have to go
through to reach the public IP is not under our control, and the folks
who do control it don't necessarily keep us informed.
Ross
