sasl_log_t - The SASL logging callback
#include <sasl.h>
int sasl_log_t(void *context,
int priority,
const char * message);
sasl_log_t is used to log warning/error messages from the
SASL library. If not specified syslog will be used.
SASL callback functions should return SASL return codes.
See sasl.h for a complete list. SASL_OK indicates success.
RFC 2222
othersaslstuff