Re: [RE: IP masquerading not working for sendmail]

[Kapil Khanna <boomkap usa net>]

I reverted to back to my sendmail.cf back and tried using the macro as you
suggested
MASQUERADE_AS(`mydomain.com')dnl
No effect. The problem was the same.
Also the document that asked me to edit the sendmail.cf file was on the Redhat
site itself at
http://www.redhat.com/docs/manuals/linux/RHL-7-Manual/ref-guide/s1-sysadmin-sendmail.html

THe surprising part is that the current hostname of my machine is localhost.
If i change that to 'somedomain.com' emails send say they originate from
user somedoain com  Any change to the domainname variable however has no
effect, its only the hostname variable (and it needs to be the fully qualified
name i.e hostname=mydomain.com).
Is there something i need to do with hostname and domainname too, to achieve
IP masquerading? 
Also why am i seeing authentication warning for Apache. I am using
Squirrelmail+courier-imap+sendmail

Thanks,
--Kapil

"Cowles, Steve" <Steve SteveCowles com> wrote:
> -----Original Message-----
> From: Kapil Khanna
> Sent: Friday, February 28, 2003 12:01 AM
> Subject: IP masquerading not working for sendmail
> 
> 
> I am running RHAT 7.2. I want to masquerade email being sent 
> from this machine as mydomain.com. According to the docs i
> set the DN entry to be DNmydomain.com in the /etc/sendmail.cf
> file. I restarted sendmail (/etc/rc.d/init.d/sendmail
> restart).

I don't know what docs are telling you to edit sendmail.cf directly, but the
proper way to fix your problem is to add...

MASQUERADE_AS(`mydomain.com')dnl

to /etc/mail/sendmail.mc and then generate a new sendmail.cf using m4

cd /etc/mail
cp sendmail.cf sendmail.cf.orig
m4 sendmail.mc >sendmail.cf

BTW: As nate pointed out in his reply - it's DM, not DN. Also, the sendmail
man pages (so to speak) are located in /usr/share/sendmail-cf/README. There
is a section labeled "MASQUERADING AND RELAYING" that might be of some
interest to you.

Steve Cowles



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