touch /var/log/{imapd.log, auth.log}
chmod 0660 /var/log/{imapd.log, auth.log}
chown root.cyrus /var/log/{imapd.log, auth.log}


openssl req -new -nodes -out req.pem -keyout key.pem  
openssl rsa -in key.pem -out new.key.pem
openssl x509 -in req.pem -out ca-cert -req -signkey new.key.pem -days 999 
cp new.key.pem /var/imap/server.pem
rm new.key.pem
cat ca-cert >> /var/imap/server.pem
chown cyrus:cyrus /var/imap/server.pem
chmod 600 /var/imap/server.pem # Your key should be protected


saslpasswd2 cyrus
saslpasswd2 test1
cyradm --user cyrus --server localhost  -auth login
>cm user.test1