If you want maildir style delivery for UNIX accounts, specify
/etc/postfix/main.cf:
mail_spool_directory = /var/mail/
Documentation:
mail_spool_directory (default: see postconf -d output)
The directory where local(8) UNIX-style mailboxes are kept. The default
setting depends on the system type. Specify a name ending in / for
maildir-style delivery.
Wietse
