This is what I did:
I installed Courier::Filter::Module::MIMEParts with CPAN. I created /usr/local/courier/etc/filters/pureperlfilter.conf: use utf8;
use Courier::Filter::Logger::File; use Courier::Filter::Module::MIMEParts;
$options = {
logger => Courier::Filter::Logger::File->new(
file_name => '/var/log/courier-pureperlfilter.log',
timestamp => 1
}
}; my $module = Courier::Filter::Module::MIMEParts->new(
max_size => $max_size,
signatures => [
{
file_name => qr/\.(exe|com|pif|lnk)$/,
response => '500 Executable content rejected'
},
], logger => $logger,
inverse => 0,
trusting => 0,
testing => 0,
debugging => 0
); my $filter = Courier::Filter->new(
modules => [ $module ],
);ln -s /usr/local/courier/etc/filters/pureperlfilter.conf /usr/local/courier/etc/filters/active/
/usr/local/courier/sbin/courierfilter start
/var/log/maillog: Aug 12 11:56:15 mail courierfilter: exec: Exec format error Aug 12 11:56:15 mail courierfilter: Starting pureperlfilter.conf
And of course its not working. Can you point me in the right direction?
Julian Mehnle wrote:
Bernard Robbins <[EMAIL PROTECTED]> wrote:
Is there any way to reject an email if it contains any attachment with an extension of: (?i)\.(001|002|386|3GR|ACM|ADT|AP.|ASD|ASP|AX.|BAT|BIN|BO.|CC.|CDR|CHM| CLA|CMD|CNV|CP.|CSC|D.B|DEV|DIF|DL.|DRV|EE.|EX.|FMT|FO.|GMS|HDI|HLP|HT.| IM.|IN.|JS.|LIB|MB.|MD.|MHT|MOD|MPD|MPP|MPT|MRC|MS.|OB.|OC.|OL.|OLE|OTM| OV.|PCI|PHP|PIF|PLG|POT|PP.|PRC|QLB|QPW|QTC|REG|RTF|SCR|SH.|SIS|SMM|SYS| TD0|TLB|TSP|VB.|VS.|VWP|VXD|WBK|WIZ|WP.|WRI|WS.|X32|XML|XSL|XTP|XX.| ZL.)$
Try using Courier::Filter[1]'s MIMEParts filter module. You can use your regex with the "file_name" signature aspect to reject unwanted mails during the SMTP dialog. You may want to use a //x style regex for extended legibility, though (see `perldoc perlre` for the //x modifier).
References: 1. http://search.cpan.org/dist/Courier-Filter/
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