Re: Wrong DNS configuration. Which?
On Thu, Mar 01, 2001 at 02:30:42PM -0600, schwack wrote:
> To me that doesn't look like misconfigured DNS at all. To me it looks like
> sombodies trying to find mailservers that will allow them to relay mail,
> or they are trying to relay mail from a bogus domain (which is why you
> can't do a reverse lookup nor 'DIG' info on the remote machine). Its a
> common practice for spammers to use bogus source domains. I think it gives
> them some sense that their "spoofing" their identity. In any event, i'd
> just ignore these errors. If your installation is setup correctly to DENY
> relaying from unauthorized domains, which i think sendmail is setup like
> that by default now, then you should be fine.
>
> Just my 2 cents.
>
> Clint/Schwack
Hum. For me this a really bad config. You can also check that a single
dig @ns.tyumen.ru tyumen.ru axfr
is permitted.
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