+ #ifdef SUPPORT_TLS
+ { "gnutls_require_kx", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, gnutls_require_kx) },
+ { "gnutls_require_mac", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, gnutls_require_mac) },
+ { "gnutls_require_protocols", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, gnutls_require_proto) },
+ #endif