Re: Dynamic DNS vs valid A-record check

On Fri, May 06, 2005 at 04:27:25PM +0200 I heard the voice of
Andrew McGill, and lo! it spake thus:
> On Thu, 5 May 2005 Wietse Venema replied to...
>
> > Postfix will bounce mail when the DNS reports that the
> > destination does not exist.
> >
> > 1 - The destination has no MX record and no A record.
> >
> > 2 - The destination has no A record for any of its MX records.
>
> "Bother," said Pooh, as his mail bounced strangely. "We shall have
> to ask Christopher Robin for a backup mail server."

Well, really all you need is a backup _DNS_ server; the mail server
can be there or not, as long as an address can be looked up for it.


--
Matthew Fuller (MF4839) | fullermd@over-yonder.net
Systems/Network Administrator | http://www.over-yonder.net/~fullermd/
On the Internet, nobody can hear you scream.