Sendmail and DNS

From: john@LunaInternet.net
Date: Tue Apr 08 2003 - 03:44:23 EDT


I have searched the FAQs to no avail...

We are running sendmail and BIND on a Sol 8 v880 (more info at end of
mail). BIND is configured for local DNS (i.e. no route to outside
world, dummy root server).

When DNS is disabled in /etc/nsswitch.conf, or for mail to the local
domain, mail goes to 'mailhost' just fine. Hoever when DNS is enabled
when sending to a remote domain I get:

# mailx -v -s test john@LunaInternet.net < /dev/null
 LunaInternet.net: Name server timeout
 john@LunaInternet.net... Transient parse error -- message queued for
 future delivery
 john@LunaInternet.net... queued

I have tried various combinations of the following options/features to
get sendmail to stop look up the recipients domain, and just relay to
mailhost, but to no avail:

define(`confSERVICE_SWITCH_FILE')
FEATURE(`accept_unresolvable_domains')dnl
FEATURE(`accept_unqualified_senders')dnl
FEATURE(promiscuous_relay)dnl

How do I get sendmail to just "blindly" forward the mail to mailhost?

Any help appreciated, reply direct, I will sumarise...

john

Some info:
 # /usr/lib/sendmail -bt -d0 < /dev/null
  Version 8.11.6+Sun
  Compiled with: LDAPMAP MAP_REGEX LOG MATCHGECOS MIME7TO8 MIME8TO7
                 NAMED_BIND NDBM NETINET NETINET6 NETUNIX NEWDB NIS
                 NISPLUS QUEUE SCANF SMTP USERDB XDEBUG
 # /usr/sbin/in.named -v
  in.named BIND 8.2.2-P5 Thu Jul 18 05:05:34 PDT 2002
        Generic Patch-5.8-July 2002
 # uname -a
  SunOS liveux20 5.8 Generic_108528-16 sun4u sparc SUNW,Sun-Fire-880
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