It is very unstable software!!!

You can find backup of current config in  /var/cache/alterator/cyrus/backup/
  Enable Cyrus-IMAP server
IMAP settings IMAP Options Cyrus settings
Server name
Default domain
SASL mech list
Cyrus admins
SASL pwcheck method
Virtual domains
POPminpoll  min.
POPtimeout  min.
Autocreate: 
Separated by |
Autosubscribe: 
Separated by |
Autocreate quota:   kb.
Default sieve script:  /var/lib/imap/sieve/