diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 1d15010a572c6143a63d58b0b665e25826b78163..2f184fd709029d6cdaf3981b5f5dff545b8e372f 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -1165,17 +1165,16 @@ Parameters
   advertised as part of SMTP server capabilities (in response to the
   ``ehlo`` SMTP command).
 
+**mail_server_minimum_tls_protocol** (string, optional, ``"TLSv1.2"``)
+  Minimum version of TLS protocol to allow when connecting to SMTP
+  submission port or IMAP. Value should be compatible with Dovecot's
+  ``ssl_protocols`` configuration option.
+
 **mail_server_smtp_additional_configuration** (string, optional, ``""``))
   Additional configuration directives to include in SMTP server main
   configuration file. Directives must be specifically compatible with
   Postfix, and are treated verbatim (multi-line string will suffice).
 
-**mail_server_tls_protocols** (list, optional, ``[ "TLSv1.2" ]``)
-  List of TLS protocols the mail server should support. Each value specified
-  should be compatible with Postfix configuration option
-  ``smtpd_tls_mandatory_protocols`` and Dovecot configuration option
-  ``ssl_protocols``.
-
 **mail_server_tls_ciphers** (string, optional ``DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-CHACHA20-POLY1305:!aNULL:!MD5:!EXPORT``)
   TLS ciphers to enable on the mail server (for IMAP and SMTP submission). This
   should be an OpenSSL-compatible cipher specification. Value should be