Hi,
I have a strange problem: I'm administering two hosts that are permanently
connected to the internet. On both hosts (under the same domain) I run
sendmail as an MTA. On one of the hosts I don't have a smarthost set in
sendmail.cf, i.e. I have
DS
instead of
DSrelay:my.relay.host.de
This works fine.
However, on the other host if I don't set a smarthost messages will bounce
when sendmail tries to deliver them, probably because "something(TM)" goes
wrong with DNS lookup.
Obviously sendmail on this machine tries to directly contact
"the.rest.de" as a host if I try to send mail to "[EMAIL PROTECTED]," even
tho "the.rest.de" could (and in this case IS) simply be a domain instead
of a FQDN of a host.
The error message (changed to reflect the fictitious e-mail address used
in the example above) I get is:
Postmaster notify: Host unknown (Name server: the.rest.de:
no data known)
Currently I'm using the other host as a smarthost, which of course works,
but I want the currently non-functioning host to directly deliver its mail
so that if the other host is down mail doesn't remain queued.
Any idea what could be going on? FYI I'm using the same DNS on both
machines. Can it be that one of the hosts isn't being delivered all the
info that the other host is being delivered because it's not properly
"authorized" or whatever?
Thanks,
Ralf
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