Using Sendmail on MPE - April 2003

Using Sendmail on MPE - Solution Symposium West Page 44April 24, 2003
sending e-mail with
forged headers
1. /bin/cat - >message.txt
From: [e-mail]
To: [e-mail]
Cc: [e-mail]
Bcc: [e-mail]
Subject: hello world
Hi there!
:EOD
2. /SENDMAIL/CURRENT/SENDMAIL -t
–f [e-mail]
<message.txt
• the –f option sets the message
envelope address, but a
warning header is included:
X-Authentication-Warning:
local.e3000.host: USER.ACCT
set sender to
[e-mail] using –f
• genericstable and other options
can forge without traces