[Full-Disclosure] a question about e-mails

Rainer Gerhards rgerhards at hq.adiscon.com
Fri Feb 27 15:01:55 GMT 2004


Hi Nico,

lol... which broken mailer are you using? I guess it's time to alert
their security address ;)

Rainer 

> -----Original Message-----
> From: Nico Golde [mailto:nion at gmx.net] 
> Sent: Thursday, February 26, 2004 2:36 PM
> To: full-disclosure at lists.netsys.com
> Subject: Re: [Full-Disclosure] a question about e-mails
> 
> Hallo Chris,
> 
> * Chris Smith <chris.rs at xtra.co.nz> [2004-02-26 13:50]:
> > > I have a question for it experts. I want to learn if 
> there is any way of
> > > understanding/finding the e-mail addresses at BCC part on 
> an e-mail that is
> > > send to you.
> > >
> > > Thanks for your consideration.
> > 
> > Um, AFAIK the headers are stripped by the MTA on delivery 
> to recipients 
> > (except perhaps the recipient who was listed in the BCC 
> field, but I'm not 
> > sure and will most likely vary between MTA).
> > 
> > I'm sure the SMTP RFC would probably help out on this.
> 
> I tested it on my system.
> i send a mail to nico and bcc root.
> here is the mail header:
> 	From nion at gmx.net Thu Feb 26 14:28:30 2004
> 	Return-Path: nion at gmx.net
> 	Received: by
> 	        via sendmail from stdin
> 	        id <m1AwLZ0-001n35C at ngolde.de> (Debian Smail3.2.0.114)
> 	        Thu, 26 Feb 2004 14:28:30 +0100 (CET)
> 	Date: Thu, 26 Feb 2004 14:28:30 +0100
> 	From: Nico Golde <nion at gmx.net>
> 	To: nico
> 	Bcc: root
> 
> ^^^^^^^^^
> here is the bcc line
> 
> 
> 	Subject: test
> 	Message-ID: <20040226132830.GA829 at ngolde.de>
> 
> [...] 
> regards nico
> -- 
> Nico Golde nico <at> ngolde <dot> de
> public key available on:
> http://www.ngolde.de/gpg.html
> echo "[q]sa[ln0=aln256%Pln256/snlbx]sb729901041524823122snlbxq"|dc
> 




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