Re: [exim] Spam using a space to separate message body and h…

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Auteur: Tony Finch
Datum:  
Aan: exim-users
Onderwerp: Re: [exim] Spam using a space to separate message body and header...
On Fri, 2 Sep 2005, Fred Viles wrote:
> On 3 Sep 2005 at 11:56, Ted Cooper wrote:
> >...
> > To the RFC's!
> >...
> >    However, where CFWS occurs in this standard, it MUST NOT be inserted
> >    in such a way that any line of a folded header field is made up
> >    entirely of WSP characters and nothing else.

>
> Interesting. So it seems arguable that exim should not have
> interpreted the <CRLF><space><CRLF> as a valid header continuation
> line. Since it is also not a valid header first line, it should have
> signaled the end of the headers, and been treated as the first
> message body line.


This is one of the little points where RFC 2822 is stricter than RFC 822
(see appendix B of 2822).

I note also that a successor to 2822 is in the works.

Tony.
--
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N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}