Deny File MIME Types not working

[Terence Chan]

Hi,


I need to selectively allow certain people to send image files, and I have
ran into problems.

I have the following configuration.


Deny File MIME Types = %rules-dir%/deny.filemimetypes.rules


in the %rules-dir%/deny.filemimetypes.rules file


From: terence at vicosys.com.hk image/png


When I try to send a email attached a png file - the mail can still pass
thru. I tested the file using file -i command, the mime type is "image/png"

I traced the code and found out that the coding for "file -i" has not been
used. ($MailScanner::Config::UsingFileICommand = 0), so it has never tried
to look at the MIME type.


if I hack the Config.pm and force $MailScanner::Config::UsingFileICommand =
1, it all works.


Is this a bug or if it is some misconfiguration on my part?


Thanks
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