Don't throw log warning on empty subjects/contents

diff --git a/lib/RT/Extension/MessageSizeLimit.pm b/lib/RT/Extension/MessageSizeLimit.pm
index c7c1d61..af26687 100644 (file)
--- a/lib/RT/Extension/MessageSizeLimit.pm
+++ b/lib/RT/Extension/MessageSizeLimit.pm
@@ -103,10 +103,10 @@ sub CheckMessageSizeLimit {
     my $size = 0;
 
     # Compute subject size
-    $size += length($args{Subject});
+    $size += length($args{Subject}) if ( $args{Subject} );
 
     # Compute body size
-    $size += length($args{Content});
+    $size += length($args{Content}) if ( $args{Content} );
 
     # Add attachments sizes if any
     foreach my $file_name ( keys %{$args{'Attachments'}} ) {