diff -Nur -x '*.orig' -x '*.rej' qpsmtpd-0.95/plugins/spamassassin mezzanine_patched_qpsmtpd-0.95/plugins/spamassassin
--- qpsmtpd-0.95/plugins/spamassassin	2015-02-11 23:00:25.000000000 +0100
+++ mezzanine_patched_qpsmtpd-0.95/plugins/spamassassin	2015-12-16 22:07:17.554311238 +0100
@@ -172,7 +172,8 @@
 
     return DECLINED if $self->is_immune();
 
-    if ($transaction->data_size > 500_000) {
+    my $limit = $self->{_args}->{size_limit} || 500_000;
+    if ($transaction->data_size > $limit) {
         $self->log(LOGINFO,
                    "skip, too large (" . $transaction->data_size . ")");
         return DECLINED;