Hello Postfix creates those "spool" directories at install
# cd /var/spool/postfix # ll total 28 drwx------ 2 postfix wheel 512 Nov 17 17:03 active drwx------ 2 postfix wheel 512 Nov 17 17:03 bounce drwx------ 2 postfix wheel 512 May 10 2011 corrupt drwx------ 18 postfix wheel 512 May 11 2011 defer drwx------ 18 postfix wheel 512 May 11 2011 deferred drwx------ 2 postfix wheel 512 Oct 4 06:15 flush drwx------ 2 postfix wheel 512 May 10 2011 hold drwx------ 2 postfix wheel 512 Nov 17 17:03 incoming drwx-wx--- 2 postfix maildrop 1536 Nov 17 15:49 maildrop drwxr-xr-x 2 root wheel 512 May 10 2011 pid drwx------ 2 postfix wheel 512 Nov 17 15:21 private drwx--x--- 2 postfix maildrop 512 Nov 17 15:21 public drwx------ 2 postfix wheel 512 May 10 2011 saved drwx------ 2 postfix wheel 512 Jun 30 13:23 trace Does it recreate them if they are not present on the disk ? I have not deleted them by error :-) , I plan to try using a ramdisk for those directories. Thank you