qmail and mx records

[Daniel Shahaf]

It's not clear to me what your problem is/was, but we flush qmail's DNS
cache daily because we found it wasn't respecting TTL.

ik wrote on Wed, Aug 29, 2012 at 17:57:36 +0300:
> Answering myself: There is a DNS problem at "my" server side, and not
> the so called problematic server.
> 
> Ido
> 
> On Wed, Aug 29, 2012 at 3:12 PM, ik <idokan at gmail.com> wrote:
> > Hello,
> >
> > I have a qmail (smtp) server . When there is a domain that only the MX
> > records provides the other side smtp servers, qmail does not check it,
> > and reports that it can not find any smtp servers.
> > Using simple telnet on such servers, they do answer properly.
> >
> > I can't figure out how or what should be configured to make it check mx records.
> > I can only find how to set my own MX records for qmail, but not how to
> > make qmail look for the server it is sending.
> >
> > Please note that I can not install postfix or exim, as normal smtp
> > servers, so I have to solve this issue with qmail
> >
> > Thanks,
> > Ido
> 
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