sendmail configuration

[Geofrey Rainey]

Are you using mail to both receive and send, or only send?

If you're using it to only send mail, then do the following:

Go to /etc/mail, here you should find a file called submit.mc

Edit this file and update the parameter and add something like this
anywhere to the file:

define('SMART_HOST','relay.domain.com')dnl

And if there's an entry containing something like 'SMTP', '127.0.0.1'
etc, comment it out by preceding it with dnl (or removing it or
whatever).

Then type the following:

# m4 submit.mc > submit.cf

(You'll need to ensure two packages are installed for this, sendmail-cf
and m4)

If you're using sendmail to receive mail, submit sendmail.mc/cf for each
submit.mc/cf above, then restart sendmail.


-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Kalyan Sundar
Sent: Tuesday, 15 September 2009 10:58 p.m.
To: General Red Hat Linux discussion list
Subject: sendmail configuration

Hi All,
I am trying to configure sendmail on Linux server.

After the configuration the maillog show below message:

Sep 15 12:19:30 ebizrep sendmail[31924]: n8F8GoWo031924: from=root,
size=70,
class=0, nrcpts=1, msgid=<
200909150817.n8F8H5Us031927@<servername>.domain.com<200909150817.n8F8H5U
s031927@%3Cservername%3E.domain.com>>,
relay=root at localhost
Sep 15 12:19:30 ebizrep sendmail[31924]: n8F8GoWo031924:
to=<mail_id>@<domain>.com <to=%3Cmail_id%3E@%3Cdomain%3E.com>,
delay=00:02:40, mailer=esmtp, pri=30070, dsn=4.4.3, stat=queued
Sep 15 12:19:45 ebizrep sendmail[31927]: n8F8H5Us031927: from=root,
size=83,
class=0, nrcpts=1, msgid=<
200909150817.n8F8H5Us031927@<servername>.domain.com<200909150817.n8F8H5U
s031927@%3Cservername%3E.domain.com>>,
relay=root at localhost
Sep 15 12:19:45 ebizrep sendmail[31927]: n8F8H5Us031927:
to=<mail_id>@<domain>.com <to=%3Cmail_id%3E@%3Cdomain%3E.com>,
delay=00:02:40, mailer=esmtp, pri=30083, dsn=4.4.3, stat=queued
The mail status is showing as queued which makes me think that  the
sendmail
configuarion is not properly done.

how to I make the existing mail=esmtp to mailer=relay and
relay=root at localhost to relay=<smtpserver.domain.com>

I am new to this topic. Kindly give your inputs which ll be very helpful
to
proceed further.

Thanks,
Kalyan
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