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Article #651

Re: simple encryption in mail

#651
From: Steve Schonberger
Date: Tue, 24 Jan 1989 20:14
48 lines
3206 bytes
In article <1119MICHAEL@MAINE>, MICHAEL@MAINE writes:
> I can't quite tell where you are located, but if it is inside the USA then
> your mail administrator should know that by reading your mail as it comes
> and goes he is (unless he can reasonably cite system security, which I doubt)
> breaking the law. There is a law in this country (PL99-508, "The Electronic
> Communications Privacy Act of 1986") that specifically prohibits intercepting
> and reading of electronic mail and other forms of electronic communication.

This is not correct.  Any place that provides mail may choose whether to be
follow this law or not.  The law is that a mail provider must do everything
possible to ensure the privacy of communications if they say their mail is
private.  By saying their mail is private, they bring themselves under the
same body of law that keeps the Post Office and telephone companies from
inspecting communications that they pass.

The advantage of this to a mail provider is that having the provider legally
bound to be secure is a good selling point, because people like secure mail. 
The disadvantage is that they are liable for criminal (not just civil)
penalties if they breach that privacy, and possibly civil penalties if someone
outside their organization invades their privacy through flaws in their
security.

If someone is unable to provide communication security comparable to a
telephone conversation (the case with _all_ mail going through the net),
doesn't want to bother making it that secure (the case within most sites),
or just doesn't want to put themselves at legal risk, they can state that
their system is not guaranteed secure, at which point they can do whatever
they feel like to their mail.

A lot of local bulletin board systems I use have statements saying that it is
not their policy to read or alter mail, but that they refuse to guarantee that
it is secure.  By saying this they free themselves of any legal responsibility
connected with that law.

I do not know what that law says about the default case.  In other words, I
am not sure if a mail provider is assumed to guarantee privacy if they don't
specifically disclaim it, or if they are assumed to disclaim it unless they
specifically guarantee it.  I'd be curious to know, if anyone can provide a
direct quote of the law on that matter.

To bring this all back to the topic of this newsgroup, I think that the only
way you can expect mail to be private, legal guarantees or not, is to encrypt
it.  A standard mail header to indicate encryption would be a good thing,
though the message looking like garbage data accomplishes the same thing.

	Steve Schonberger
	steve@raspail.uucp	raspail!steve@shamash.cdc.com
	...!uunet!rosevax!shamash!rapail!steve
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Message-ID: <1178@raspail.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!husc6!mailrus!cwjcc!hal!nic.MR.NET!shamash!raspail!steve
References: <508@solaris.UUCP> <1119MICHAEL@MAINE>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!husc6!mailrus!cwjcc!hal!nic.MR.NET!shamash!raspail!steve
From: steve@raspail.UUCP (Steve Schonberger)
Newsgroups: comp.mail.headers
Subject: Re: simple encryption in mail
Summary: Mail privacy
Message-ID: <1178@raspail.UUCP>
Date: 24 Jan 89 20:14:02 GMT
References: <508@solaris.UUCP> <1119MICHAEL@MAINE>
Organization: Control Data Corporation, Arden Hills, MN
Lines: 48