From owner-freebsd-questions Tue Mar 13 12:27:27 2001 Delivered-To: freebsd-questions@freebsd.org Received: from guru.mired.org (okc-65-26-235-186.mmcable.com [65.26.235.186]) by hub.freebsd.org (Postfix) with SMTP id 2D73537B718 for ; Tue, 13 Mar 2001 12:27:23 -0800 (PST) (envelope-from mwm@mired.org) Received: (qmail 87457 invoked by uid 100); 13 Mar 2001 20:27:22 -0000 From: Mike Meyer MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15022.33450.352537.801500@guru.mired.org> Date: Tue, 13 Mar 2001 14:27:22 -0600 To: trini0 Cc: questions@freebsd.org, jim@siteplus.com Subject: Re: Netscape mail again In-Reply-To: <84668955@toto.iv> X-Mailer: VM 6.89 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`;h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG trini0 types: > I think I know what you mean. Sometimes I see in the headers, > (loginname@optonline.net), when I actually stated in ns mail for my > identity to be trini0@optonline.net. Whats up with that?? Could that be > considered a slight security flaw? > lata > trini0 Actually, it could be considered a slight security feature. From: is for the author(s). Sender is used when the person sending the message is different than the From header. Given the amount of flack Netscape took for making it trivial to forge email, that they now notice the sender and from mailbox being different and add a sender can be considered DTRT. > Jim Weeks wrote: > > > Since there was some confusion on this question when it was originally > > submitted, I will try it again. You will have to look at the source of > > this message to see what I mean. > > > > When using Netscape mail, the Sender field is always the name of the > > logged in user on a given machine. For example I am logged in as "jim" > > on my laptop at the moment. If you check the header of this email I > > think you will find "Sender: jim@earthlink.net" which is not at all > > correct. Some MTA's have a problem with this. The only time this should case a problem is if mail to Sender: doesn't get back to you at all. > Here is an example of the header in question. > > > > Sender: jim@earthlink.net > > Message-ID: <3AAE41A8.E2F26ECB@siteplus.com> > > Date: Tue, 13 Mar 2001 10:50:01 -0500 > > From: Jim Weeks > > X-Mailer: Mozilla 4.74 [en] (X11; U; Linux 2.2.12 i386) > > X-Accept-Language: en > > MIME-Version: 1.0 > > To: Jim@siteplus.com > > > > Any ideas? > > > > Thanks, > > > > Jim > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > -- Mike Meyer http://www.mired.org/home/mwm/ Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message