On Tue, 23 Jun 2009, Kenneth Porter wrote:

--On Monday, June 22, 2009 5:59 PM -0700 John Hardin <jhar...@impsec.org> wrote:

 On Mon, 22 Jun 2009, Cerebus wrote:

>  The zip file contains a file with the name:
>  document.pdf                                                 .exe
>  (note the long run of spaces)

 My security sanitizer would quarantine that.
    http://www.impsec.org/email-tools/procmail-security.html

As would MIMEDefang. http://mimedefang.org/

The danger is for those users who have filter bypasses configured, as the spaces might make it hard to spot the extra extension.

That's precisely why that particular name pattern is poisoned by default.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 jhar...@impsec.org    FALaholic #11174     pgpk -a jhar...@impsec.org
 key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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