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Mailx is not working

Posted on 2004-03-25
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Last Modified: 2013-12-27
I have mailx on several Unix servers, another one has been set this server uses DNS, I have added the Mail server address to the local host file as I have done on all other machines, but when i send a mail nothing is sent

What is going wrong the only diffrence to all other unix servers is that this one is using DNS do i need to add the entry to other files?

Cheers in advance
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Question by:craigdba
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Expert Comment

by:mdhmi
ID: 10678680

Huhh?  Your going to need to provide a little more information than that !.  What version of the OS are you running, what version of sendmail are you running?  What happens when you try to send a message?  What is logged in /var/adm/messages and /var/log/syslog?  Are you trying to send mail to clients on a local subnet only or is this internet traffic?  We are definitely going to need more information if you expect any type of solution.

Cheers,

Mark
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Expert Comment

by:ahoffmann
ID: 10696644
could you please post result of:
  mailx -V
from both, working and not working server
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by:liddler
ID: 10697465
Also a log of
mailx -v -v <valid email address>
on both machines
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Author Comment

by:craigdba
ID: 10712582
mailx version 5.0 on both machines
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Author Comment

by:craigdba
ID: 10712611
WARNING: local host name (tt-nms) is not qualified; fix $j in config file
crichards@tullib.com... Deferred: Name server: mailhost: host name lookup failure

This is what i get on the machine that is not working, on the working one is just says found server contacted sending message all ok
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by:ahoffmann
ID: 10712842
aha, you need to fix your sendmail.cf, search for the line starting with
Dj
(it's probably commented out), you need to add a FQDN, like
Djhostname.domain.tld

then stop and start sendmail again
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Author Comment

by:craigdba
ID: 10712874
How do I restart Sendmail?
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by:liddler
ID: 10712916
/etc/rc2.d/S88sendmail stop
/etc/rc2.d/S88sendmail start
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Author Comment

by:craigdba
ID: 10713001
So should the line look like Dj$mailhost.name.com?
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Expert Comment

by:ahoffmann
ID: 10713011
no, more like:
Djmailhost.name.com
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Author Comment

by:craigdba
ID: 10713050
In my file it is Djmailhost.name.com still get the same error   Deferred: Name server: mailhost: host name lookup failure
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by:ahoffmann
ID: 10713142
have you defined mailhost.name.com in your DNS or /etc/hosts?
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Author Comment

by:craigdba
ID: 10713170
Yes I have it in /etc/hosts 111.111.111.111 mailhost.name.com mailhost
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by:ahoffmann
ID: 11300782
AFAIK sendmail relies on DNS only (except if it could be configured to use /etc/hosts)
my sugestion was "DNS or /etc/hosts" but DNS seems not been tested, not my fault ...
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Expert Comment

by:ahoffmann
ID: 11341956
Netminder, I'd leave it open if craigdba  returns ...
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Author Comment

by:craigdba
ID: 11341998
I tried but still nothing

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by:ahoffmann
ID: 11342362
ok, starting at the beginning ..
please check what you get for:
    dig mx your-destination-domain
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Author Comment

by:craigdba
ID: 11359713
The command dig does not seem to exist

Cheers
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Expert Comment

by:ahoffmann
ID: 11359779
start nslookup and give following command:
  ls -t mx <yourdomain.tld>
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Author Comment

by:craigdba
ID: 11359882
Can't list domain domainname: Unspecified error
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Expert Comment

by:ahoffmann
ID: 11361084
please post /etc/resolv.conf
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Author Comment

by:craigdba
ID: 11361180
what needs to be in here, can you give an example please

Currenlty i have

domain domainname (not fqdn)
nameserver IPADDRESS of domain server
mailhost IPADDRESS of mail server
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by:ahoffmann
ID: 11362393
domain your.domain
nameserver IP
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