[lug] Help with email issues

[Kevin Kempter]

On Thursday 20 November 2008 06:47:19 pm Zan Lynx wrote:
> Kevin Kempter wrote:
> > Hi All;
> >
> > I'm hoping someone can help me with some strange email issues.
> >
> >
> > I can send emails to most anyone except for the postgresql email lists.
> > I've pinged 'em several times - even the list admins but I dont think my
> > mails are getting through.
> >
> > At one point I tried to send an email to the list and I got this message
> > back:
> >
> >
> > =====================================
> > Hi. This is the qmail-send program at outboundproxy6.
> > I'm afraid I wasn't able to deliver your message to the following
> > addresses. This is a permanent error; I've given up. Sorry it didn't work
> > out.
> >
> > <pgsql-admin at postgresql.org>:
> > 200.46.204.86 does not like recipient.
> > Remote host said: 504 5.5.2 <outboundproxy6>: Helo command rejected: need
> > fully-qualified hostname
> > Giving up on 200.46.204.86.
> >
> > --- Enclosed are the original headers of the message.
> >
> > =====================================
>
> I believe that mail server 200.46.204.86 is behaving correctly in the
> current world of email.  Mail servers that try to use an invalid host +
> domain name or use a literal IP address are *SO* likely to be spammers
> or misconfigured relays that rejecting them only makes sense.
>
> If outboundproxy6 is your mail server, double check its hostname
> setting.  If it is sendmail, double check that /etc/hosts has a fully
> qualified domain name for its external IP address and for 127.0.0.1.
>
> It needs to be "outboundproxy6.example.com", but with the correct domain
> of course.

So is ths an issue with my web/email hosting provider, or would it more likely 
be comcast - my ISP ?