Author: Andreas Metzler Date: To: exim-users Subject: Re: [exim] Handling malformed header fields
Murray S. Kucherawy <msk@???> wrote:
[...] > The two cases that have been most interesting so far are: > --
> From: foo@bar
> To: baz@blivit
> This is not a header field
> Subject: ha ha I fooled you
> Date: Fri, 22 Oct 2010 11:08:22 -0700 > This is where the body is
> -- > ...and > --
> From: foo@bar
> To: baz@blivit
> MIME-Version : 1.0
> Subject: did you notice that extra space?
> Date: Fri, 22 Oct 2010 11:08:22 -0700 > This is where the body is
> -- > Obviously the issue has to do with how exim handles the two
> malformations found on the third line of each; in the first case
> it's not a valid header field line, and in the second case there's a
> space before the colon following the header field name. [...]
In both cases the broken header is interpreted as the first body
line. (In case somebody is wondering: verify = header_syntax does not
make a difference.)
