[Mimedefang] disable antivirus for one user

[kamal]

There is also a function resend_message() which sends the mail to a set 
of recipients. You can do something like this following from filter_end.

if(resend_message(@exempted)){
    foreach $recip (@exempted){
        delete_recipient($recip);
    }
} else {
            md_syslog("warning","resend_message failed");
            #accept the message
}

>The idea I have now is that the mail is dealt with normally, if there is
>just one recipient or at least one non-exempted recipient is specified,
>and the message is resend to all exempted recipients individually.
>  
>