[rescue] Spam (was: Perverse Question)
Charles Shannon Hendrix
shannon at widomaker.com
Sat Jun 7 22:39:32 CDT 2003
On Sat, Jun 07, 2003 at 02:51:54PM -0400, Phil Stracchino wrote:
> Suppose the applicable RFCs were to be modified to define a fixed set of
> origin mailheaders which ALL mail must include, that set to include a
> header which contains a public-key signature of the MD5 digest of the
> remainder of the set of headers using the secret key of the originating
> mailserver. If AT ANY POINT during the message's transmission the
> signed MD5 digest is not present, cannot be verified using the public
> key of the server the mail purports to originate from, or does not match
> the contents of the mandatory headers, then the mail is dropped and the
> postmaster of that hop and the previous hop are notified.
Don't laugh... but what about non TCP/IP transfer of email?
Would this work for UUCP sites for example?
Granted, most of the world uses SMTP over TCP/IP, but not all of it.
Also, this would likely be a huge amount of traffic and load increase.
But it might work.
UNIX/Perl/C/Pizza____________________s h a n n o n at wido !SPAM maker.com
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