Re: Hiding my Solaris host in mail headers

[John Adams <jna@retina.net>]

Sendmail is probably getting that user name through identd. Disable identd
on the box and tell sendmail not to do lookups over identd at all.

-j

On Wed, 19 Apr 2000, horio shoichi wrote:

> Daniel Crichton wrote:
> > 
> > I've currently got some consultants setting up my Solaris box to enable me
> > to send mail to our company mail server for sending out to the internet. 
>At
> > the moment the way that they have configured it brings up the host name
> > and the current user id in the mail headers before passing to my mail 
>server,
> > and obviously I would rather hide these. The headers look like:
> > 
> > Received from user@localhost (8.8.8+Solaris/8.8.8) by host.domain.com
> > 
> > where host.domain.com is the name assigned to the Solaris box in it's
> > configuration.
> > 
> > The Solaris box is inside my firewall, and the SMTP mail server is in my
> > "dmz", so I'd rather have the headers look like the Solaris box is just 
>another
> > PC mail client on my LAN (which do not add Received headers themselves).
> > 
> > Can anyone give me pointers on the configuration of sendmail (I believe 
>this
> > is what they are using) on my Solaris box so that it does not create 
>headers
> > in the message before passing to my SMTP mail server? I have no Unix
> > experience which is why consultants are setting it up (and also because
> > they own the box, we rent it off them along with the application software 
>we
> > have running on the system).
> > 
> > Dan
> > 
> > ---
> > D.C. Crichton                 email: danielc@compman.co.uk
> > Senior Systems Analyst        tel:   +44 (0)121 706 6000
> > Computer Manuals Ltd.         fax:   +44 (0)121 606 0477
> > 
> > Computer book info on the web:
> >    http://computer-manuals.co.uk/
> > Want to earn money? Join our affiliate scheme!
> >    http://computer-manuals.co.uk/affiliate/
> > -
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> 
> There is hack chapter in Brian Costales with Eric Allman "Sendmail"
> O'Reily.
> See the chapter "20: The checkcompat() Cookbook".
> 
> As an example output of that, see the header of this mail. You'll see
> Received: attached by internal hub and Messageid: by Netscape
> I cancelled out with X-. You might, of cource, delete those lines
> entirely.
> 
> 
> horio shoichi
> -
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> 

You are supposed to be a consumer, a black hole for goods, advertising and 
content. They only want to allocate enough upstream bandwidth for 10,000,000 
buy buttons. Producing or sharing information is a subversive act and will 
not be tolerated. 


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