diff -urN ../Mail-SpamAssassin-3.4.0.orig/lib/Mail/SpamAssassin/PerMsgStatus.pm ./lib/Mail/SpamAssassin/PerMsgStatus.pm
--- ../Mail-SpamAssassin-3.4.0.orig/lib/Mail/SpamAssassin/PerMsgStatus.pm	2021-03-29 15:50:13.014668000 +0300
+++ ./lib/Mail/SpamAssassin/PerMsgStatus.pm	2021-03-29 15:55:28.085771000 +0300
@@ -925,7 +925,7 @@
 
   # in case the last line was huge, trim it back to around 200 chars
   local $1;
-  $str =~ s/^(.{,200}).*$/$1/gs;
+  $str =~ s/^(.{0,200}).*$/$1/gs;
 
   # now, some tidy-ups that make things look a bit prettier
   $str =~ s/-----Original Message-----.*$//gs;