tls_prefer_openssl

Since: Version 2024.09.02-c5476b89

The functionality described in this section requires version 2024.09.02-c5476b89 of KumoMTA, or a more recent version.

Optional boolean. Defaults to false.

When set to true, this pathway will prefer to use OpenSSL as the TLS implementation.

When set to false, this pathway will prefer to use rustls as the TLS implementation, unless DANE is enabled and TLSA records are present, in which case OpenSSL will be used.