From owner-freebsd-questions Mon Nov 25 04:27:58 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id EAA11435 for questions-outgoing; Mon, 25 Nov 1996 04:27:58 -0800 (PST) Received: from al.imforei.apana.org.au (pjchilds@al.imforei.apana.org.au [202.12.89.41]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id EAA11424 for ; Mon, 25 Nov 1996 04:27:44 -0800 (PST) Received: (from pjchilds@localhost) by al.imforei.apana.org.au (beBop) id WAA16623; Mon, 25 Nov 1996 22:57:35 +1030 (CST) Date: Mon, 25 Nov 1996 22:57:35 +1030 (CST) From: Peter Childs Message-Id: <199611251227.WAA16623@al.imforei.apana.org.au> To: frank@mercynet.edu (Frank Arauz), freebsd-questions@freebsd.org Subject: Re: Sending Mail (password) X-Newsreader: TIN [UNIX 1.3 unoff BETA release 961020] Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In article <1.5.4.16.19961121124727.1397d5a6@mercynet.edu> you wrote: : Hi, I am new on the internet, this site has been up for about 2 : months. We are having problems when sending mail: I can send mail to anybody : using somebody else's account and so anybody. : Can You give me an idea of what product can I use on our server, so : before the message is sent, the password for that account will be required. This is an underlying problem with the internet. To make a point I could have sent this mail say as user "god@heaven.com" or "sam@aa.net". Without the use of some sort of authentication/encryption stuff like PGP you can not be certain where mail came from. The mail "headers" will indicate which sites, but it is impossible to verify users. Peter -- Peter Childs --- http://www.imforei.apana.org.au/~pjchilds Finger pjchilds@al.imforei.apana.org.au for public PGP key Drag me, drop me, treat me like an object!