diff --git a/examples/smtp_selfsigned.rs b/examples/smtp_selfsigned.rs
index da43a0b..67779d1 100644
--- a/examples/smtp_selfsigned.rs
+++ b/examples/smtp_selfsigned.rs
@@ -4,7 +4,10 @@ use lettre::{
     message::header::ContentType,
     transport::smtp::{
         authentication::Credentials,
-        client::{tls, Tls},
+        client::{
+            tls::{native_tls::Certificate, NativeTls, TlsParametersBuilder},
+            Tls,
+        },
     },
     Message, SmtpTransport, Transport,
 };
@@ -23,8 +26,8 @@ fn main() {
 
     // Use a custom certificate stored on disk to securely verify the server's certificate
     let pem_cert = fs::read("certificate.pem").unwrap();
-    let cert = tls::native_tls::Certificate::from_pem(&pem_cert).unwrap();
-    let tls = tls::TlsParametersBuilder::<tls::NativeTls>::new("smtp.server.com".to_owned())
+    let cert = Certificate::from_pem(&pem_cert).unwrap();
+    let tls = TlsParametersBuilder::<NativeTls>::new("smtp.server.com".to_owned())
         .add_root_certificate(cert)
         .build_legacy()
         .unwrap();
diff --git a/src/transport/smtp/mod.rs b/src/transport/smtp/mod.rs
index 2037314..affd7ab 100644
--- a/src/transport/smtp/mod.rs
+++ b/src/transport/smtp/mod.rs
@@ -107,7 +107,10 @@
 //!
 //! use lettre::{
 //!     message::header::ContentType,
-//!     transport::smtp::client::{Certificate, Tls, TlsParameters},
+//!     transport::smtp::client::{
+//!         tls::{native_tls::Certificate, NativeTls, TlsParametersBuilder},
+//!         Tls,
+//!     },
 //!     Message, SmtpTransport, Transport,
 //! };
 //!
@@ -122,9 +125,11 @@
 //! // Custom TLS configuration - Use a self signed certificate
 //! let cert = fs::read("self-signed.crt")?;
 //! let cert = Certificate::from_pem(&cert)?;
-//! let tls = TlsParameters::builder(/* TLS SNI value */ "smtp.example.com".to_owned())
-//!     .add_root_certificate(cert)
-//!     .build()?;
+//! let tls = TlsParametersBuilder::<NativeTls>::new(
+//!     /* TLS SNI value */ "smtp.example.com".to_owned(),
+//! )
+//! .add_root_certificate(cert)
+//! .build_legacy()?;
 //!
 //! // Create the SMTPS transport
 //! let sender = SmtpTransport::relay("smtp.example.com")?