Here's my conf:
# dovecot -n
# 2.0.9: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-71.el6.x86_64 x86_64 CentOS release 6.6 (Final)
auth_mechanisms = plain login digest-md5 cram-md5
disable_plaintext_auth = no
first_valid_gid = 89
first_valid_uid = 89
mail_gid = 89
mail_location = maildir:/coraid-s
# dovecot -n |grep -i sort
(nothing)
Maybe to full list is only available after authentication?
# telnet localhost 143
Trying ::1...
Connected to localhost.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE
STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=D
