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Full Discussion: I can't get sendmail to stop considering itself as localhost.localdomain
Special Forums UNIX and Linux Applications I can't get sendmail to stop considering itself as localhost.localdomain Post 302769731 by davidm123SED on Wednesday 13th of February 2013 08:14:17 AM
Old 02-13-2013
I can't get sendmail to stop considering itself as localhost.localdomain
Hi,
I am tearing my hair out, here. We have a CentOS 4.7 box running sendmail 8.13.1.

I can't send e-mail out from that box to anywhere not on localhost, as I keep getting the error 'DSN Data Format error', and 'A real domain name is required to send e-mail'.

I have edited the /etc/mail/sendmail.mc file as such:

LOCAL_DOMAIN(`localhost.localdomain')dnl
MASQUERADE_AS(`my.companyname.com')dnl
MASQUERADE_DOMAIN(`my.companyname.com')dnl

I then do

Code:
m4 /etc/mail/sendmail.mc >  /etc/mail/sendmail.cf

I then restart sendmail..

Code:
/etc/init.d/sendmail restart

And I do..

Code:
/usr/lib/sendmail -d0.12 < /dev/null

.. and there, right at the bottom, is ..

====== SYSTEM IDENTITY (after readcd) =======
(short domain name) $w = localhost
(canonical domain name) $j = localhost.localdomain
(subdomain name) $m = localdomain
(node name) $k = name_of_the_host
==================================

I even tried going into sendmail.cf, searching for $w and entering my domain name after it, and then restarting sendmail. No luck.

I am going insane. Please help. :-(
 

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LEARN ABOUT DEBIAN

sendmailconfig

SENDMAILCONFIG(8)					      System Manager's Manual						 SENDMAILCONFIG(8)

NAME

       sendmailconfig - configure sendmail for Debian systems

SYNOPSIS

       sendmailconfig [--no-reload]

DESCRIPTION

       sendmailconfig is used to simplify the configuration of sendmail(8) for use on Debian systems.

       In  the	simplest  case,  you  may  run	this program to (re)configure sendmail for your Debian system at any time. It will modify the file
       /etc/mail/sendmail.mc in order to create a working sendmail configuration which will be written to the file /etc/mail/sendmail.cf.

       For advanced configurations, you can modify the sendmail.mc file before generating sendmail.cf. Future invokations of  sendmailconfig  will
       preserve these changes provided they are made at the end of the file.

       Normally  sendmailconfig  will  ask  if	you want to reload sendmail after making changes to its configuration. The --no-reload option will
       avoid this question.

FILES

       /etc/mail/sendmail.mc
	      sendmail m4 input to generate sendmail.cf

       /etc/mail/sendmail.cf
	      actual sendmail configuration file

       /etc/mail/sendmail.cw
	      names for which we will accept mail in the standard configuration

       /etc/mail/sendmail.ct
	      names of trusted users in the standard configuration

SEE ALSO

       sendmail(8)

AUTHOR

       Robert Leslie <rob@mars.org>

								    21-Jan-1997 						 SENDMAILCONFIG(8)
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