linux-kernel - Re: [PATCH 1/2] memblock: add error return when CONFIG_HAVE

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Message-ID: <140960.1304086127@localhost>
Date:	Fri, 29 Apr 2011 10:08:47 -0400
From:	Valdis.Kletnieks@...edu
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, Jack Steiner <steiner@....com>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] memblock: add error return when CONFIG_HAVE_MEMBLOCK is not set

On Wed, 27 Apr 2011 08:33:18 +0200, Ingo Molnar said:
> Also, sendmail does not screw up From: headers that are in the body of the 
> email - forwarding emails is one of the oldest things that can be done to 
> emails.

What some Sendmail configurations *do* eat is lines that start with 'From ' (no
colon). Those will get escaped as '>From ...'  to prevent them from looking
like a separator line for what's known as 'mbox' format - which is basically
the same info as in the Return-Path: header plus a timestamp. They look like:

>From hostmaster@...irie.net Fri Apr 19 15:50:15 2002

(If the above line has a >From, you have the issue.  Yes, it could be smarter
and do a full parse for a mbox header rather than just '^From '.  And yes, I
had to go digging to find an old archived mbox format file to snarf the example
from.

Content of type "application/pgp-signature" skipped