[CentOS] OT: Strange Email Problem

Susan Day suzieprogrammer at gmail.com
Tue May 25 18:46:30 UTC 2010


On Sat, May 22, 2010 at 1:02 PM, Bart Schaefer <barton.schaefer at gmail.com>wrote:

> On Sat, May 22, 2010 at 6:42 AM, Chris Geldenhuis
> <chris.gelden at iafrica.com> wrote:
> >
> > The records that Richard was talking about was not that of your actual
> > mail, but the Domain Name Service (DNS) records required to find the
> > destination server and for that server to look up your server to verify
> > that the mail comes from a valid address.
>
> Right so far ...
>
> > I recall a discussion earlier
> > this month about the root DNS servers being updated to a new version of
> > DNS software that would increase the size of the DNS records. This would
> > then take a while to filter through the "tree" of DNS servers and
> > eventually software that could not handle these larger records would
> fail.
>
> You're thinking of the DNSSEC changes to add security information to
> the packets.  That should only affect software that actually asks for
> DNSSEC packets, which presumably excludes any software that isn't
> prepared to handle those responses.
>
> I'm not familiar with the qmail bug that was previously mentioned, but
> from the description it appears to be related to CNAME records, not to
> DNSSEC.
>
>
> Oops.Forgot to clean this up. The problem was that named shut down and I
didn't catch it.
Susan
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