[26812] in North American Network Operators' Group
Re: Fw: Administrivia: ORBS
daemon@ATHENA.MIT.EDU (Forrest W. Christian)
Mon Jan 17 16:50:29 2000
Date: Mon, 17 Jan 2000 14:43:51 -0700 (MST)
From: "Forrest W. Christian" <forrestc@iMach.com>
To: Michael Shields <shields@msrl.com>
Cc: Patrick Evans <pre@pre.org>,
"Greg A. Woods" <woods@most.weird.com>, nanog@merit.edu
In-Reply-To: <87u2kclfs7.fsf@challah.msrl.com>
Message-ID: <Pine.BSF.3.96.1000117143613.7204B-100000@workhorse.iMach.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
On 17 Jan 2000, Michael Shields wrote:
> I don't understand why you ca'n't allow relaying only for people with
> an envelope sender that has one of your customer's domains.
Sometime try this: (Status codes not necessarily correct)
shell> telnet mailserver.yourdomain.com
220 Mail Server Ready ESMTP
HELO iMach.com
250 Pleased to meet you, iMach.com
MAIL FROM: <spammer@yourdomain.com>
250 ok
RCPT TO: <recipient@of.spam.com>
250 ok
DATA
250 Send Data one line at a time followed by a .
to: make.money.fast@wherever.com
from: make.money.fast@yourdomain.com
subject: Make money fast, you looser.
You can now make money faster than ever before just send us a bazillion
dollars first.
.
250 Message accepted for delivery
QUIT
250 Goodbye
Or, in other words, you can put ANYTHING YOU WANT in the sender envelope.
That is what is on the mail-from line.
- Forrest W. Christian (forrestc@imach.com) KD7EHZ
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