# Environment cleaning
next if /\w+ in keep_environment\? (yes|no)/;
+ # The spool header file name varies with PID
+ s%^(Writing spool header file: .*/hdr).[0-9]{1,5}%$1.pppp%;
+
# When Exim is checking the size of directories for maildir, it uses
# the check_dir_size() function to scan directories. Of course, the order
# of the files that are obtained using readdir() varies from system to