Mine

athena:/home # cat /etc/imapd.conf
configdirectory: /var/lib/imap
partition-default: /var/spool/imap
sievedir: /var/lib/sieve
admins: cyrus
allowanonymouslogin: no
autocreatequota: 0
reject8bit: no
quotawarn: 90
timeout: 30
poptimeout: 10
autocreateinboxfolders: sent|trash|drafts|junk|templates
autosubscribeinboxfolders: sent|trash|drafts|junk|templates
createonpost: 1
dracinterval: 0
drachost: localhost
sasl_pwcheck_method: saslauthd
lmtp_overquota_perm_failure: no
lmtp_downcase_rcpt: yes
unixhierarchysep: no
virtdomains: yes
defaultdomain: corporatemailsolutions.com
allowplainwithouttls: yes
altnamespace: no
#
# if you want TLS, you have to generate certificates and keys
#
#tls_cert_file: /usr/ssl/certs/cert.pem
#tls_key_file: /usr/ssl/certs/skey.pem
#tls_ca_file: /usr/ssl/CA/CAcert.pem
#tls_ca_path: /usr/ssl/CA
athena:/home #