--- a/contrib/guess-hostname	Thu Jul 08 11:53:07 2010 +0200
+++ b/contrib/guess-hostname	Thu Jul 08 12:19:11 2010 +0200
@@ -1,22 +1,23 @@
 #!/bin/sh
 #
 # try several ways to guess the hostname
+# earlier output lines are probably better
 
 (
 
 # this is what Debian uses
 cat /etc/mailname
 
+# probably a good value on GNU/Linux
+hostname -f
+
 # this is often the short hostname
 cat /etc/hostname
 
+# often the short hostname, but widely available
+hostname
+
 # this file was mentioned on the Internet
 cat /etc/HOSTNAME
 
-# probably a good value on GNU/Linux
-hostname -f
-
-# often the short hostname, but widely available
-hostname
-
-) 2>/dev/null | sort -u
+) 2>/dev/null