#!/usr/local/cpanel/3rdparty/bin/perl

open( EXIMC, "/etc/exim.conf" );
my @EXIMC = <EXIMC>;
close(EXIMC);

open( EXIMC, ">/etc/exim.conf" );
foreach (@EXIMC) {
    if (/deliver_load_max/)       { next; }
    if (/deliver_queue_load_max/) { next; }
    if (/queue_only_load/)        { next; }
    if (/message_filter_user/)    { next; }
    if (/message_filter_group/)   { next; }
    if (/message_filter\s*=/) {
        print EXIMC <<EOM;
message_filter = /etc/antivirus.clam.exim

message_filter_user = mail
message_filter_group = mail

deliver_load_max = 3
deliver_queue_load_max = 5
queue_only_load = 4
EOM
        next;
    }
    print EXIMC;
}
close(EXIMC);

my $ama = 0;
open( EPL, "/etc/exim.pl" );
while (<EPL>) {
    if (/amavis/) { $ama = 1; }
}
close(EPL);

if ( $ama == 0 ) {
    open( EPL, ">>/etc/exim.pl" );
    print EPL "do '/usr/share/amavis/amavis-filter';\n";
    close(EPL);
}

system( "/usr/local/cpanel/scripts/restartsrv", "exim" );