--- grepmail-5.3034/t/nonexistent_mailbox.t	2009-09-02 11:51:28.000000000 +0100
+++ grepmail-5.3034/t/nonexistent_mailbox.t	2009-09-02 13:37:09.000000000 +0100
@@ -149,6 +149,15 @@
 
   my %skip;
 
+  $skip{"$^X -MExtUtils::Command -e cat no_such_file 2>" . devnull() .
+        " | grepmail pattern"} = 'inappropriate for Mail::Mbox::MessageParser >= 1.5002'
+        if $Mail::Mbox::MessageParser::VERSION >= 1.5002;
+
+  $skip{"$^X -MExtUtils::Command -e cat no_such_file 2>" . devnull() .
+        " | grepmail -E $single_quote\$email =~ /pattern/$single_quote"} =
+        'inappropriate for Mail::Mbox::MessageParser >= 1.5002'
+        if $Mail::Mbox::MessageParser::VERSION >= 1.5002;
+
   return %skip;
 }