mail command

[wang]

Rick,
Thank you very much,

When I tried  'service sendmail retart' to restart it, i found
sendmail.cf is empty. then, i moved sendmail.cf.bak back,
it's working now.

Thank you again.
Owen.

----- Original Message ----- 
From: "Rick Stevens" <rstevens at vitalstream.com>
To: "Getting started with Red Hat Linux" <redhat-install-list at redhat.com>
Sent: Tuesday, May 03, 2005 2:43 PM
Subject: Re: mail command


> Chris Hewitt wrote:
> > On Mon, 2005-05-02 at 22:43, wang wrote:
> >
> >>Thank you Chris,
> >>
> >>
> >>>If is used to work, then something has changed to make it not work. So
> >>>the question is what have you changed since it did work?
> >>
> >>I don't think I changed something. It jsut suddenly stopped working.
> >
> >
> > Something has changed. Things don't just stop. It may not be you that
> > made a change. What changed between when it used to work and when you
> > first noticed it did not? Upgrade, firewall, configure something etc.
> >
> >
> >>>Does it send mail locally, e.g.:
> >>>mail root at localhost -s test
> >>>text here
> >>>.
> >
> >
> > Did you try this test, to send mail locally? It will help to pin down
> > whether the problem is on your computer or with sending to your mail
> > server (which I assume is a different computer).
> >
> >
> >>when I only type the mail command with out any option,
> >>It says,
> >>
> >>No mail for root
> >
> >
> > The mail program will also read mail. Typing it without parameters is to
> > read mail. This message just tells you that root does  not have any
> > mail. That is unusual, do you redirect roots mail to another user?
> >
> >>>Assuming sendmail is your MTA, is it running? At the prompt
> >>>([chris at amdk63 chris]$ is my prompt), if you  do:
> >>>[chris at amdk63 chris]$ ps ax|grep sendmail
> >>> 3056 ?        S      0:00 /usr/sbin/sendmail -bd -q1h
> >>> 2200 pts/0    S      0:00 grep sendmail
> >>>[chris at amdk63 chris]$
> >>
> >>when I try the same command, the system answer is,
> >>
> >>smmsp      764  0.0  0.0  3404 1420 ?        S    Apr22   0:00
[sendmail]
> >>root     21056  0.0  0.0  4572  660 pts/1    S    14:15   0:00 grep
sendmail
> >
> >
> > I'm not sure about the sendmail in brackets, anyone?
>
> It means it's a detached process.
>
> > After trying to send mail locally, is the mail received by the user?
> > What is in the log file (for sendmail typically /var/log/maillog)?
>
> It sure looks like sendmail pooped out on your machine.  I'd try a
> "service sendmail restart" and verify that it comes up.
> ----------------------------------------------------------------------
> - Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
> - VitalStream, Inc.                       http://www.vitalstream.com -
> -                                                                    -
> -     There are only 10 kinds of people in the world -- those who    -
> -                 understand binary and those who don't              -
> ----------------------------------------------------------------------
>
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