Added /etc/cyrus.conf

Makefile

-all: imapd-config cyrus-imapd-service
+all: cyrus-config imapd-config cyrus-imapd-service
 	tar xf cyrus-imapd-3.2.3.tar.gz
 	cd cyrus-imapd-3.2.3 && ./configure --prefix=/usr
 	$(MAKE) -C cyrus-imapd-3.2.3
 	$(MAKE) -C cyrus-imapd-3.2.3 install
 	install -v -d -m755 /var/lib/imap
 	install -v -d -m755 /var/lib/imap/sieve
+	install -v -d -m755 /var/lib/imap/socket
 	install -v -d -m755 /var/spool/imap
 	install -v -d -m755 /etc/ssl/cyrus-imapd
+	@echo "$$CYRUS_CONFIG" > /etc/cyrus.conf
 	@echo "$$IMAPD_CONFIG" > /etc/imapd.conf
 	openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout /etc/ssl/cyrus-imapd/cyrus-imapd.key -out /etc/ssl/cyrus-imapd/cyrus-imapd.crt -subj "/C=GB/ST=London/L=London/O=Global Security/OU=IT Department/CN=example.com"
 	@echo "$$CYRUS_IMAPD_SERVICE" > /lib/systemd/system/cyrus-imapd.service
 	systemctl enable cyrus-imapd.service
 	rm -rf cyrus-imapd-3.2.3
 
+cyrus-config:
+define CYRUS_CONFIG
+START {
+  recover  cmd="ctl_cyrusdb -r"
+  idled    cmd="idled"
+}
+
+SERVICES {
+  imap     cmd="imapd" listen="imap" prefork=5
+  imaps    cmd="imapd -s" listen="imaps" prefork=1
+  pop3     cmd="pop3d" listen="pop3" prefork=3
+  pop3s    cmd="pop3d -s" listen="pop3s" prefork=1
+  sieve    cmd="timsieved" listen="sieve-filter" prefork=0
+  lmtpunix cmd="lmtpd" listen="/var/lib/imap/socket/lmtp" prefork=1 maxchild=10
+  smmap    cmd="smmapd"  listen="/var/lib/imap/socket/smmapd" prefork=0
+}
+
+EVENTS {
+  # this is required
+  checkpoint cmd="ctl_cyrusdb -c" period=30
+
+  # this is only necessary if using duplicate delivery suppression, Sieve or NNTP
+  delprune   cmd="cyr_expire -E 3" at=0400
+
+  # this is only necessary if caching TLS sessions
+  tlsprune   cmd="tls_prune" at=0400
+
+  # indexing of mailboxs for server side fulltext searches
+  # reindex changed mailboxes (fulltext) approximately every other hour
+  squatter1  cmd="nice -n 19 squatter -s" period=120
+  # reindex all mailboxes (fulltext) daily
+  squattera  cmd="squatter" period=44640
+}
+endef
+export CYRUS_CONFIG
+
 imapd-config:
 define IMAPD_CONFIG
 configdirectory: /var/lib/imap
@@ -23,8 +61,6 @@ sendmail: /usr/sbin/sendmail
 hashimapspool: true
 sasl_pwcheck_method: saslauthd
 sasl_mech_list: PLAIN LOGIN
-allowanonymouslogin: no
-allowplaintext: yes
 tls_server_cert: /etc/ssl/cyrus-imapd/cyrus-imapd.crt
 tls_server_key: /etc/ssl/cyrus-imapd/cyrus-imapd.key
 tls_server_ca: /etc/ssl/ca-bundle.pem