Great Circle Associates Firewalls
(April 1996)
 

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Subject: Re: Stopping Fakemail (smtpd-port25)
From: mulligaj <mulligaj @ lafvax . lafayette . edu>
Date: Sun, 21 Apr 1996 13:20:55 -0400
To: fc @ all . net
Cc: firewalls @ greatcircle . com

At 06:57 AM 04/21/96, you wrote:
>	1) Run ident daemon on all your machines.
>	2) Write a custom sendmail reciever in perl (we did it)
>	3) Use the ident check on incoming mail from on-campus
>		and detect mail coming from non-authorized accounts
>		(usually not root, postmaster, etc.)
>	4) Attach the ident information to the headers so that full
>		details of the source comes through in the mail message.
>	OR
>	4) refuse to forward mail unless the ident check comes back right.
>

wouldnt it be a problem that most of the mail is sent from PC's with some in
windows and some dos?  Some are in labs and some are PC owned by students in
their rooms?  
_________________________________________________________
John P. Mulligan <mulligaj @
 lafayette .
 edu> 
PGP PUBLIC KEY available at  http://www.lafayette.edu/~mulligaj
_________________________________________________________
"Perhaps you think your Email is legitimate enough that encryption is
unwarranted. If you really are a law-abiding citizen with nothing to hide,
then why don't you always send your paper mail on postcards? ... Are
you trying to hide something?"   --- Pretty Good Privacy (PGP) Manual



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