SASL_SEC_MUTUAL_AUTH
SASLOpts |= SASL_SEC_MUTUAL_AUTH;
{ "mutual_auth", SASL_SEC_MUTUAL_AUTH },
| SASL_SEC_MUTUAL_AUTH, /* security_flags */
| SASL_SEC_MUTUAL_AUTH, /* security_flags */
| SASL_SEC_MUTUAL_AUTH, /* security_flags */
| SASL_SEC_MUTUAL_AUTH, /* security_flags */