Sendmail problems - are they to do with DNS or not?

[Shonne]

I had the same problem.  I reconfigured sendmail to not require any DNS
lookup.

In article <7lcjut$flg$1 at news7.svr.pol.co.uk>,
  "Anthony Seddon" <ant_seddon at byzak.co.uk> wrote:
> Hi,
>
> I am running sendmail 8.9.3 on a Linux box and the mailserver is
connected
> to the internet via an ISDN router, which dials up as and when needed.
> Client PCs in the office use the linux box for internal and internet
email.
>
> Our domain is byzak.co.uk and we can normally send 'internal' emails
without
> any problems.  However, if for some reason the ISDN connection is
down, then
> all emails including emails to our domain are queued / deferred.  I
> understand that this would be the case for emails outside our domain,
but
> shouldn't emails to the byzak.co.uk domain go regardless?
>
> We are using Windows 95/98 clients running MS Outlook Express 4.
Outlook
> Express doesn't complain when sending the mail, however it takes
about 60
> seconds to send the mail (a small text message).
>
> Do I need to install BIND on the Linux box and set up an MX record
pointing
> to itself?
>
> Am I right in thinking that sendmail does a DNS lookup on the
sender?  If
> that is the case, then can I disable it as by the nature of our dial
on
> demand connection, only people 'within the office' and within the
domain can
> use our server to send mail.
>
> TIA,
>
> Ant
>
>

--
yes, Linux works.  Good.  Damn Good.


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