diff -urN smeserver-vacation-1.1.old/root/usr/local/bin/vacation smeserver-vacation-1.1/root/usr/local/bin/vacation
--- smeserver-vacation-1.1.old/root/usr/local/bin/vacation	2015-01-08 00:51:14.264678204 +0100
+++ smeserver-vacation-1.1/root/usr/local/bin/vacation	2015-01-08 00:51:50.812400315 +0100
@@ -433,7 +433,7 @@
 	exit(0) unless $alias_match;
     }
 
-    ($subject) = ($header =~ /^Subject:\s+(.*)/m);
+    ($subject) = ($header =~ /^Subject:\s+(.*)/im);
     $subject =~ s/\s*$//m;		# Remove trailing spaces
 
     $subject = "(No subject)" unless $subject;