diff --git a/src/transport/smtp/client/mod.rs b/src/transport/smtp/client/mod.rs
index f3b7b0f..03e5074 100644
--- a/src/transport/smtp/client/mod.rs
+++ b/src/transport/smtp/client/mod.rs
@@ -79,7 +79,7 @@ fn escape_crlf(string: &str) -> String {
 
 /// Structure that implements the SMTP client
 #[derive(Default)]
-pub struct InnerClient<S: Write + Read = NetworkStream> {
+pub struct SmtpConnection<S: Write + Read = NetworkStream> {
     /// TCP stream between client and server
     /// Value is None before connection
     stream: Option<BufStream<S>>,
@@ -91,16 +91,16 @@ macro_rules! return_err (
     })
 );
 
-impl<S: Write + Read> InnerClient<S> {
+impl<S: Write + Read> SmtpConnection<S> {
     /// Creates a new SMTP client
     ///
     /// It does not connects to the server, but only creates the `Client`
-    pub fn new() -> InnerClient<S> {
-        InnerClient { stream: None }
+    pub fn new() -> SmtpConnection<S> {
+        SmtpConnection { stream: None }
     }
 }
 
-impl<S: Connector + Write + Read + Timeout> InnerClient<S> {
+impl<S: Connector + Write + Read + Timeout> SmtpConnection<S> {
     /// Closes the SMTP transaction if possible
     pub fn close(&mut self) {
         let _ = self.command(QuitCommand);
diff --git a/src/transport/smtp/mod.rs b/src/transport/smtp/mod.rs
index b6adfc2..0bf7a33 100644
--- a/src/transport/smtp/mod.rs
+++ b/src/transport/smtp/mod.rs
@@ -19,7 +19,7 @@ use crate::{
         authentication::{
             Credentials, Mechanism, DEFAULT_ENCRYPTED_MECHANISMS, DEFAULT_UNENCRYPTED_MECHANISMS,
         },
-        client::{net::ClientTlsParameters, InnerClient},
+        client::{net::ClientTlsParameters, SmtpConnection},
         commands::*,
         error::{Error, SmtpResult},
         extension::{ClientId, Extension, MailBodyParameter, MailParameter, ServerInfo},
@@ -258,7 +258,7 @@ pub struct SmtpTransport {
     /// Information about the client
     client_info: SmtpClient,
     /// Low level client
-    client: InnerClient,
+    client: SmtpConnection,
 }
 
 macro_rules! try_smtp (
@@ -281,7 +281,7 @@ impl<'a> SmtpTransport {
     ///
     /// It does not connect to the server, but only creates the `SmtpTransport`
     pub fn new(builder: SmtpClient) -> SmtpTransport {
-        let client = InnerClient::new();
+        let client = SmtpConnection::new();
 
         SmtpTransport {
             client,