diff -Nur Mail-SpamAssassin-3.4.1.orig/lib/Mail/SpamAssassin/PerMsgStatus.pm Mail-SpamAssassin-3.4.1/lib/Mail/SpamAssassin/PerMsgStatus.pm
--- Mail-SpamAssassin-3.4.1.orig/lib/Mail/SpamAssassin/PerMsgStatus.pm	2015-04-28 12:56:49.000000000 -0700
+++ Mail-SpamAssassin-3.4.1/lib/Mail/SpamAssassin/PerMsgStatus.pm	2017-10-23 16:05:06.703069400 -0700
@@ -914,16 +914,16 @@
     $str .= shift @{$ary};
   }
   undef $ary;
-  chomp ($str); $str .= " [...]\n";
 
   # in case the last line was huge, trim it back to around 200 chars
   local $1;
-  $str =~ s/^(.{,200}).*$/$1/gs;
+  $str =~ s/^(.{200}).+$/$1 [...]/gm;
+  chomp ($str); $str .= "\n";
 
   # now, some tidy-ups that make things look a bit prettier
-  $str =~ s/-----Original Message-----.*$//gs;
+  $str =~ s/-----Original Message-----.*$//gm;
   $str =~ s/This is a multi-part message in MIME format\.//gs;
-  $str =~ s/[-_\*\.]{10,}//gs;
+  $str =~ s/[-_*.]{10,}//gs;
   $str =~ s/\s+/ /gs;
 
   # add "Content preview:" ourselves, so that the text aligns