+// authentication method. Can be CRAM-MD5, DIGEST-MD5, PLAIN, LOGIN, EXTERNAL
+// or none. Optional, defaults to best method supported by server.
+$rcmail_config['managesieve_auth_type'] = null;
+
+// Optional managesieve authentication identifier to be used as authorization proxy.
+// Authenticate as a different user but act on behalf of the logged in user.
+// Works with PLAIN and DIGEST-MD5 auth.
+$rcmail_config['managesieve_auth_cid'] = null;
+
+// Optional managesieve authentication password to be used for imap_auth_cid
+$rcmail_config['managesieve_auth_pw'] = null;
+