Re: [MacPerl] smtp

[Andy Berkvam <aberkvam@coredcs.com>]

On Tue, 5 Jan 1999, Paul J. Schinder wrote:

> At 10:11 PM +0100 1/5/99, Steven Vanlangenaeker wrote:
> 
> } Wha t I noticed was, when using mailtools our dns server received about a
> } hundred different queries. I got internetconfig configured correctly so that
> } can't be it.
> 
> It's very unlikely that MailTools is causing this.  You must have something
> else wrong, like maybe a broken nameserver.  Perl will need DNS to send
> mail, but so will anything else.
> 
  Sorry about taking so long to add my $0.02.  I don't think this is due
to a broken nameserver because I've seen some of the same things.
Basically the script seemed to be looking for all kinds of strange domain
names.  I found evidence that pointed to the problem being in Config.pm.
I ended up finding a different solution so I didn't follow up on this.
Anyway, here's part of the original message I sent.  Any ideas about this
would be welcome.

==========
  I used the example script from my last message, only changing the from
and to addresses.  I ran it on my server.  (This server also does SMTP and
DNS.)  There is a long pause when the script first opens up the connection
to the SMTP server.  This seems to be caused by DNS issues.  Now when I
look through the DNS logs, I see very strange requests for DNS lookups.
(My server's FQDN is www.cipsafe.org.  The SMTP host is cipsafe.org.  I
was sending a message from andy@cipsafe.org to aberkvam@coredcs.com.)
These are the requests for name lookup that I see:

www.cipsafe.org.example.com
www.cipsafe.org.example.com.cipsafe.org
www.cipsafe.example.com
www.cipsafe.example.com.cipsafe.org
www.cipsafe.org.example.com.cipsafe.org
www.example.com
www.example.com.cipsafe.org
www.cipsafe.org.com
www.cipsafe.org.com.cipsafe.org
www.cipsafe.com
www.cipsafe.com.cipsafe.org

  While some of this is probably caused by DNS problems that I haven't
tracked down yet, I wondered where the "example.com" could possibly be
coming from.  It turns out that "example.com" is used in Config.pm.  What
is it doing there and why is it showing up in DNS lookups?
==========

Andy

-- 
===========================================================================
Andy Berkvam          | "Only two things are infinite, the universe 
                      |  and human stupidity, and I'm not sure about 
Email:                |  the former."
 aberkvam@coredcs.com |                                   - Albert Einstein
 (MIME Attachments OK)|-WWW Pages: <http://www.coredcs.com/~aberkvam/>
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