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I
don't think sendmail uses nsswitch.conf. Take a look at
/etc/mail/service.switch... The bottom line is that it sounds like you have a
name resolution problem. You have to fix that. Is there an external DNS server
you can point to?
Kevin
-----Original Message-----
From: taroon-list-bounces redhat com [mailto:taroon-list-bounces redhat com] On Behalf Of IECISA.Ortega Gonzalez, Carlos Sent: Thursday, April 21, 2005 2:02 AM To: taroon-list redhat com Subject: RE: Sendmail relay configuration - RHEL 3.0 Kevin Collins wrote:
>To clarify: sendmail looks for a host called 'mailhost' by default, I believe. By defining that host in your name >resolution system (DNS, NIS, >etc) to be your smart relay host, things "just work".
I have already included a mailhost entry in the /etc/hosts file. Is there any way of telling sendmail not to use dns? I've configured DNS to search in our corporative DNSs, but manual nslookup and dig attempts at locating iberia.es or mailhost result in FAILURE messages. I can't modify the DNSs, so I'd like sendmail not to look in the DNS, and relay the mail. Should I change the /etc/nsswitch.conf file? The hosts entry is al follows:
hosts: files dns
The problem still is that the mails don't leave the local machine. The /var/log/maillog shows messages like the following:
Apr 21 08:50:24 gandalf sendmail[16869]: j3L6oOM5016869: from=sopco, size=52, class=0, nrcpts=1, ms id=<200504210650 j3L6oOM5016869 gandalf ib>, relay=sopco localhost Apr 21 08:50:24 gandalf sendmail[16869]: j3L6oOM5016869: to=iecisa cortegag iberia es, delay=00:00: 0, mailer=esmtp, pri=30052, dsn=4.4.3, stat=queued
And the mail -v iecisa cortegag iberia es shows the following output:
iberia.es: Name server timeout iecisa cortegag iberia es Transient parse error -- message queued for future delivery iecisa cortegag iberia es Queued
I've also tried modifying the /etc/mail/mailertable using:
iberia.es smtp:[mailhost] # I've also tried with the IP
and . smtp:[mailhost] # IP also
I keep getting the same errors. Any ideas? Thanks a lot.
Regards,
Carlos Ortega González Iberia Sistemas DS/SP/Unidad Prod. Ordenadores email: iecisa cortegag iberia es Extensión: 4691
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