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Date:      Wed, 28 Nov 2001 13:04:11 -0500
From:      Kutulu <kutulu@kutulu.org>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: The Stupid Virus going arround.
Message-ID:  <20011128130411.A3840@pr0n.kutulu.org>
In-Reply-To: <20011128163322.GB29228@keyslapper.org>; from leblanc%2Bfreebsd@keyslapper.org on Wed, Nov 28, 2001 at 11:33:23AM -0500
References:  <022901c17761$b431a510$fd6e34c6@mlevy> <15363.49761.411744.990323@guru.mired.org> <59350765.20011127112338@mindspring.com> <20011127191156.GD452@nabokov.afc.vw.com> <02b101c1776b$e72b38a0$fd6e34c6@mlevy> <15364.23207.328491.247555@guru.mired.org> <20011128070420.GB39649@nabokov.afc.vw.com> <20011128072412.GA20379@keyslapper.org> <20011128022805.A2150@northernbrewer.com> <20011128163322.GB29228@keyslapper.org>

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On Wed, Nov 28, 2001 at 11:33:23AM -0500, Louis LeBlanc wrote:
> On 11/28/01 02:28 AM, Christopher Farley sat at the `puter and typed:

> > While we're on the subject of editor/mail user agent interactions:
> > What is it that causes all lines in the message body beginning with the 
> > word 'From' to be indented with a '>'??

> > From from from
> > 
> > ^^ This line was composed with no leading '>', but by the time it gets
> > sent to the list, and sent back to my mailbox, it will contain one.
> 
> Only in  the response. '>' is  a standard quote lead.  I notice you're
> using Mutt 1.2.5 (You might want to upgrade to the latest mutt-devel).
> When your  message comes  back to you  in the list,  it should  not be
> indented, but notice my reply does indent your text.

I'm not exactly sure which program is doing it (my gut says it's the local delivery agent but I could be wrong) but it is very 
typical to prefix any lines which start with From with a single >, or some other character.  The reason for this is due to the 
format of a typical Unix-style local mailfile. These are simply flat text files that contain every mail delivered to a given 
user, one after the other, in a single file.  These files are delimited by the fact that the first header in each mail is the 
"From:" header.

A "From" line somewhere in the middle of any email could confuse some user agents or mail-parsing scripts into thinking a new 
mail is starting.  The solution is to prefix From lines in the body of a mail with some character, > by convention, to make it 
clear that it's part of the mail not part of the headers.

--K


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