On Mar 19, 2010, at 9:44 AM, Victor Duchovni wrote:
> Your DNS server is a bit odd:
The problem turned out to be the PIX. By default, it blocks T_ANY queries on
the outside port. But not the others. "ip audit signature 6053 disable" turns
that off.
Why Cisco and qmail would do things that gua
On Fri, Mar 19, 2010 at 01:26:03PM -0700, brian moore wrote:
> On Fri, 19 Mar 2010 14:27:29 -0400 (EDT)
> Wietse Venema wrote:
>
> > Just to clarify, this DNS server is likely to create the same
> > problem with other sites that run a version of the qmail MTA.
>
> That sounds like a feature to
On Mar 19, 2010, at 2:26 PM, brian moore wrote:
> On Fri, 19 Mar 2010 14:27:29 -0400 (EDT)
> Wietse Venema wrote:
>
>> Just to clarify, this DNS server is likely to create the same
>> problem with other sites that run a version of the qmail MTA.
>
> That sounds like a feature to me.
Soon as I
On Fri, 19 Mar 2010 14:27:29 -0400 (EDT)
Wietse Venema wrote:
> Just to clarify, this DNS server is likely to create the same
> problem with other sites that run a version of the qmail MTA.
That sounds like a feature to me.
Victor Duchovni:
> On Fri, Mar 19, 2010 at 12:32:13PM -0400, Wietse Venema wrote:
>
> > > > And why would Yahoo be doing a CNAME lookup?
> > >
> > > Their MTA does that for all destinations, among other lookups.
> > >
> > > Your DNS server is a bit odd:
> > >
> > > $ dig +trace -t any slsware.c
On Fri, Mar 19, 2010 at 12:32:13PM -0400, Wietse Venema wrote:
> > > And why would Yahoo be doing a CNAME lookup?
> >
> > Their MTA does that for all destinations, among other lookups.
> >
> > Your DNS server is a bit odd:
> >
> > $ dig +trace -t any slsware.com
> >
> > ;; connection timed
On Mar 19, 2010, at 10:32 AM, Wietse Venema wrote:
> Yahoo runs a modified qmail, and indeed:
>
> int dns_cname(sa)
> stralloc *sa;
> {
> int r;
> int loop;
> for (loop = 0;loop < 10;++loop)
> {
> if (!sa->len) return loop;
> if (sa->s[sa->len - 1] == ']') return loop;
> if (sa->s[sa->len
On Mar 19, 2010, at 9:44 AM, Victor Duchovni wrote:
> Your DNS server is a bit odd:
>
> $ dig +trace -t any slsware.com
>
>...
>slsware.com. 172800 IN NS ns1.richeyrentals.com.
>slsware.com. 172800 IN NS ns1.slsware.com.
>slsware
Victor Duchovni:
> On Fri, Mar 19, 2010 at 06:08:12AM -0600, Glenn English wrote:
>
> > It looks to me like the problem has something to do with DNS, not
> > SMTP, right?
>
> Yes.
>
> > And why would Yahoo be doing a CNAME lookup?
>
> Their MTA does that for all destinations, among other lookup
On Fri, Mar 19, 2010 at 06:08:12AM -0600, Glenn English wrote:
> It looks to me like the problem has something to do with DNS, not
> SMTP, right?
Yes.
> And why would Yahoo be doing a CNAME lookup?
Their MTA does that for all destinations, among other lookups.
> (I checked
> from a remote site
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