AMaViS virus sender whitelisting hack

amavisd-virus-sender-whitelist.patch

--- /usr/sbin/amavisd.orig      2016-12-20 17:47:33.587273253 +0900
+++ /usr/sbin/amavisd   2016-12-20 18:18:18.257693185 +0900
@@ -13926,7 +13926,8 @@
       $r->recip_is_local($is_local ? 1 : 0);  # canonical boolean, untainted
       if (!defined($r->bypass_virus_checks)) {
         my $bypassed_v = lookup2(0,$recip, ca('bypass_virus_checks_maps'));
-        $r->bypass_virus_checks($bypassed_v);
+        my $whitelisted_v = lookup2(0,$sender, ca('whitelist_sender_maps'));
+        $r->bypass_virus_checks($whitelisted_v || $bypassed_v);
       }
       if (!defined($r->bypass_banned_checks)) {
         my $bypassed_b = lookup2(0,$recip, ca('bypass_banned_checks_maps'));

Tested on amavisd-new-2.10.1-4.el7