Secure SMTP gateway?

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Article #2942

#2942

From: David Cheney
Date: Wed, 03 Apr 1991 16:01

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OK.  I'm a newcomer to this newsgroup so bear with me.

I'm wondering about sendmail/SMTP authentication of mail origination.
The well known 'telnet <host> 25' method of spoofing the mailer makes
me wonder if there is such a thing as a secure SMTP gateway.

I 'spose this has generated reams of bits numerous times, but if
you will summarize or cite references I'd be grateful.

Thanks.
-- 
------------------ These words are my own.  Surprised? --------------------
                                                                      
David J. Cheney  (512)823-3799  IBM Advanced Workstation Division, Zip 2401
dcheney@dcheney.austin.ibm.com         11400 Burnet Road, Austin, TX  78758

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!romp!auschs!awdprime!dcheney.austin.ibm.com!dcheney
From: dcheney@dcheney.austin.ibm.com (David Cheney)
Newsgroups: comp.mail.misc
Subject: Secure SMTP gateway?
Keywords: SMTP, secure, authentication
Message-ID: <6365@awdprime.UUCP>
Date: 3 Apr 91 16:01:08 GMT
Sender: news@awdprime.UUCP
Followup-To: dcheney@dcheney.austin.ibm.com
Organization: IBM AWD, Austin
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Originator: dcheney@dcheney.austin.ibm.com