Added lean config option com.openexchange.mailaccount.failedAuth.limit which specifies the max. number of failed authentication attempts until the associated mail account is disabled. Default is 5.

Added lean config option com.openexchange.mailaccount.failedAuth.span which specifies the time span in which the failed authentication attempts are tracked. The value accepts known time span syntax like 1W or 5m. Default is 30m.