I find in source of installer: doc\man\imapd.conf.5.html Some parameters : -------------------------------------------------- sql_database: <none> Name of the database which contains the cyrusdb table(s). sql_engine: <none> Name of the SQL engine to use. Allowed values: mysql, pgsql, sqlite sql_hostnames: <empty string> Comma separated list of SQL servers (in host[:port] format). sql_passwd: <none> Password to use for authentication to the SQL server. sql_user: <none> Username to use for authentication to the SQL server. ---------------------------------------------------------------------------- - Its possible to convert a exist installation to use SQL ? ( How ? How can i create the necessary tables and import from a skiplist database ? ) - Its is compatible with Aggregation ( Murder ) ? - I can share the same database with frontends, backends and mupdate ? ( if not : I can share the same database with frontends , another with backends and another with mupdate ? ) Regards Zinato ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/