[Mimedefang] a whacky problem with my filter...

[Brent J. Nordquist]

On Thu, 27 Mar 2003, alan premselaar <alien at 12inch.com> wrote:

> .txt files to customers were having the files rejected due to the
> following rule in my filter:
> 
>    return 1 if re_match($entity, '\.(ade|adp|bas|bat|chm|cmd|com|cpl|crt|' .
>                                  'dll|exe|hlp|hta|inf|ini|ins|isp|js|jse|' .
>                                  'lib|lnk|mdb|mde|msc|msi|msp|mst|ocx|pcd|' .
>                                  'pif|reg|scr|sct|shb|shs|sys|url|vb|vbe|' .
>                                  'vbs|vxd|wsc|wsf|wsh)');
> 
> the problem wasn't that they were sending any files of these types, but that
> the filesnames were in japanese.  in one case, the filename was "190x40" +
> <japanese text> + .com + <more japanese text> + .txt

Could you just anchor the pattern to the end of the filename?  Make the 
last line of that:

>                                  'vbs|vxd|wsc|wsf|wsh)$');

-- 
Brent J. Nordquist <b-nordquist at bethel.edu> N0BJN
Other contact information: http://kepler.acns.bethel.edu/~bjn/contact.html