[Dovecot] deliver net_connect auth-master failed: Permission denied

[Rich Winkel]

Ok, I've ALMOST got this working ... I can run deliver as a user, but when
I try using it as the default delivery agent from sendmail, I get
deliver(userid): net_connect(/var/run/dovecot/auth-master) failed: Permission denied

Does deliver run as root, as the recipient's ID, sendmail's ID or
sendmail's GID?  (I'm running freebsd)

Or am I totally clueless ?? 
Here is dovecot -n:

# 1.0.3: /usr/local/etc/dovecot.conf
base_dir: /var/run/dovecot/
listen: localhost:996
ssl_disable: yes
login_dir: /var/run/dovecot/login
login_executable: /usr/local/libexec/dovecot/imap-login
login_greeting_capability: yes
first_valid_uid: 100
mail_extra_groups: mail
mail_location: mbox:~/mail:INBOX=/var/mail/%u:INDEX=/var/spool/dovecot_indexes/%u
lock_method: flock
mbox_read_locks: flock
mbox_write_locks: flock
auth default:
  passdb:
    driver: pam
  userdb:
    driver: passwd
  socket:
    type: listen
    client:
      path: /var/run/dovecot/auth-client
      mode: 432
    master:
      path: /var/run/dovecot/auth-master
      mode: 432

Thanks!!!!!
Rich