diff --git a/benches/transport_smtp.rs b/benches/transport_smtp.rs
index 98470c3..978ad2d 100644
--- a/benches/transport_smtp.rs
+++ b/benches/transport_smtp.rs
@@ -1,7 +1,7 @@
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use lettre::{
-    smtp::ConnectionReuseParameters, ClientSecurity, EmailAddress, Envelope, SendableEmail,
-    SmtpClient, Transport,
+    smtp::ConnectionReuseParameters, ClientSecurity, Email, EmailAddress, Envelope, SmtpClient,
+    Transport,
 };
 
 fn bench_simple_send(c: &mut Criterion) {
@@ -11,7 +11,7 @@ fn bench_simple_send(c: &mut Criterion) {
 
     c.bench_function("send email", move |b| {
         b.iter(|| {
-            let email = SendableEmail::new(
+            let email = Email::new(
                 Envelope::new(
                     Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                     vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
@@ -33,7 +33,7 @@ fn bench_reuse_send(c: &mut Criterion) {
         .transport();
     c.bench_function("send email with connection reuse", move |b| {
         b.iter(|| {
-            let email = SendableEmail::new(
+            let email = Email::new(
                 Envelope::new(
                     Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                     vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/examples/builder.rs b/examples/builder.rs
index 5844e92..1f15b3b 100644
--- a/examples/builder.rs
+++ b/examples/builder.rs
@@ -1,4 +1,4 @@
-use lettre::builder::Email;
+use lettre::Email;
 use lettre::{SmtpClient, Transport};
 use std::path::Path;
 
diff --git a/examples/smtp.rs b/examples/smtp.rs
index 09ebb47..ed3cea6 100644
--- a/examples/smtp.rs
+++ b/examples/smtp.rs
@@ -1,12 +1,12 @@
 extern crate env_logger;
 extern crate lettre;
 
-use lettre::{EmailAddress, Envelope, SendableEmail, SmtpClient, Transport};
+use lettre::{Email, EmailAddress, Envelope, SmtpClient, Transport};
 
 fn main() {
     env_logger::init();
 
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/examples/smtp_gmail.rs b/examples/smtp_gmail.rs
index 3bc5ec3..417a5ea 100644
--- a/examples/smtp_gmail.rs
+++ b/examples/smtp_gmail.rs
@@ -1,10 +1,10 @@
 extern crate lettre;
 
 use lettre::smtp::authentication::Credentials;
-use lettre::{EmailAddress, Envelope, SendableEmail, SmtpClient, Transport};
+use lettre::{Email, EmailAddress, Envelope, SmtpClient, Transport};
 
 fn main() {
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("from@gmail.com".to_string()).unwrap()),
             vec![EmailAddress::new("to@example.com".to_string()).unwrap()],
diff --git a/src/builder/mod.rs b/src/builder/mod.rs
index a1643e8..db688eb 100644
--- a/src/builder/mod.rs
+++ b/src/builder/mod.rs
@@ -1,4 +1,4 @@
-use crate::{error::Error as LettreError, EmailAddress, Envelope, SendableEmail};
+use crate::{error::Error as LettreError, Email, EmailAddress, Envelope};
 pub use email::{Address, Header, Mailbox, MimeMessage, MimeMultipartType};
 use error::Error;
 pub use mime;
@@ -63,34 +63,6 @@ pub struct EmailBuilder {
     message_id: Option<String>,
 }
 
-/// Simple email representation
-#[derive(PartialEq, Eq, Clone, Debug)]
-pub struct Email {
-    /// Message
-    message: Vec<u8>,
-    /// Envelope
-    envelope: Envelope,
-    /// Message-ID
-    message_id: String,
-}
-
-impl Into<SendableEmail> for Email {
-    fn into(self) -> SendableEmail {
-        SendableEmail::new(
-            self.envelope.clone(),
-            self.message_id.to_string(),
-            self.message,
-        )
-    }
-}
-
-impl Email {
-    /// Creates a new email builder
-    pub fn builder() -> EmailBuilder {
-        EmailBuilder::new()
-    }
-}
-
 impl PartBuilder {
     /// Creates a new empty part
     pub fn new() -> PartBuilder {
@@ -471,17 +443,17 @@ impl EmailBuilder {
             }
         };
 
-        Ok(Email {
-            message: self.message.build().as_string().into_bytes(),
+        Ok(Email::new(
             envelope,
             message_id,
-        })
+            self.message.build().as_string().into_bytes(),
+        ))
     }
 }
 
 #[cfg(test)]
 mod test {
-    use super::{EmailBuilder, SendableEmail};
+    use super::{Email, EmailBuilder};
     use crate::EmailAddress;
     use time::now;
 
@@ -489,7 +461,7 @@ mod test {
     fn test_multiple_from() {
         let email_builder = EmailBuilder::new();
         let date_now = now();
-        let email: SendableEmail = email_builder
+        let email: Email = email_builder
             .to("anna@example.com")
             .from("dieter@example.com")
             .from("joachim@example.com")
@@ -518,7 +490,7 @@ mod test {
         let email_builder = EmailBuilder::new();
         let date_now = now();
 
-        let email: SendableEmail = email_builder
+        let email: Email = email_builder
             .to("user@localhost")
             .from("user@localhost")
             .cc(("cc@localhost", "Alias"))
@@ -554,7 +526,7 @@ mod test {
         let email_builder = EmailBuilder::new();
         let date_now = now();
 
-        let email: SendableEmail = email_builder
+        let email: Email = email_builder
             .to("user@localhost")
             .from("user@localhost")
             .cc(("cc@localhost", "Alias"))
@@ -605,7 +577,7 @@ mod test {
         let email_builder = EmailBuilder::new();
         let date_now = now();
 
-        let email: SendableEmail = email_builder
+        let email: Email = email_builder
             .to("user@localhost")
             .from("user@localhost")
             .cc(("cc@localhost", "Alias"))
diff --git a/src/file/mod.rs b/src/file/mod.rs
index 049fbb7..9bb367d 100644
--- a/src/file/mod.rs
+++ b/src/file/mod.rs
@@ -4,8 +4,8 @@
 //!
 
 use crate::file::error::FileResult;
+use crate::Email;
 use crate::Envelope;
-use crate::SendableEmail;
 use crate::Transport;
 use serde_json;
 use std::fs::File;
@@ -41,7 +41,7 @@ struct SerializableEmail {
 impl<'a> Transport<'a> for FileTransport {
     type Result = FileResult;
 
-    fn send<E: Into<SendableEmail>>(&mut self, email: E) -> FileResult {
+    fn send<E: Into<Email>>(&mut self, email: E) -> FileResult {
         let email = email.into();
 
         let message_id = email.message_id().to_string();
diff --git a/src/lib.rs b/src/lib.rs
index 008f069..41162bc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,7 +25,7 @@ pub mod smtp;
 pub mod stub;
 
 #[cfg(feature = "builder")]
-pub use crate::builder::Email;
+use crate::builder::EmailBuilder;
 use crate::error::EmailResult;
 use crate::error::Error;
 #[cfg(feature = "file-transport")]
@@ -146,15 +146,21 @@ impl Read for Message {
 }
 
 /// Sendable email structure
-pub struct SendableEmail {
+pub struct Email {
     envelope: Envelope,
     message_id: String,
     message: Message,
 }
 
-impl SendableEmail {
-    pub fn new(envelope: Envelope, message_id: String, message: Vec<u8>) -> SendableEmail {
-        SendableEmail {
+impl Email {
+    /// Creates a new email builder
+    #[cfg(feature = "builder")]
+    pub fn builder() -> EmailBuilder {
+        EmailBuilder::new()
+    }
+
+    pub fn new(envelope: Envelope, message_id: String, message: Vec<u8>) -> Email {
+        Email {
             envelope,
             message_id,
             message: Message::Bytes(Cursor::new(message)),
@@ -165,8 +171,8 @@ impl SendableEmail {
         envelope: Envelope,
         message_id: String,
         message: Box<dyn Read + Send>,
-    ) -> SendableEmail {
-        SendableEmail {
+    ) -> Email {
+        Email {
             envelope,
             message_id,
             message: Message::Reader(message),
@@ -198,5 +204,5 @@ pub trait Transport<'a> {
     type Result;
 
     /// Sends the email
-    fn send<E: Into<SendableEmail>>(&mut self, email: E) -> Self::Result;
+    fn send<E: Into<Email>>(&mut self, email: E) -> Self::Result;
 }
diff --git a/src/sendmail/mod.rs b/src/sendmail/mod.rs
index 94644ac..eb211de 100644
--- a/src/sendmail/mod.rs
+++ b/src/sendmail/mod.rs
@@ -2,7 +2,7 @@
 //!
 
 use crate::sendmail::error::SendmailResult;
-use crate::SendableEmail;
+use crate::Email;
 use crate::Transport;
 use log::info;
 use std::convert::AsRef;
@@ -38,7 +38,7 @@ impl SendmailTransport {
 impl<'a> Transport<'a> for SendmailTransport {
     type Result = SendmailResult;
 
-    fn send<E: Into<SendableEmail>>(&mut self, email: E) -> SendmailResult {
+    fn send<E: Into<Email>>(&mut self, email: E) -> SendmailResult {
         let email = email.into();
 
         let message_id = email.message_id().to_string();
diff --git a/src/smtp/mod.rs b/src/smtp/mod.rs
index 4b7999d..fed40c5 100644
--- a/src/smtp/mod.rs
+++ b/src/smtp/mod.rs
@@ -21,7 +21,7 @@ use crate::smtp::client::InnerClient;
 use crate::smtp::commands::*;
 use crate::smtp::error::{Error, SmtpResult};
 use crate::smtp::extension::{ClientId, Extension, MailBodyParameter, MailParameter, ServerInfo};
-use crate::{SendableEmail, Transport};
+use crate::{Email, Transport};
 use log::{debug, info};
 #[cfg(feature = "native-tls")]
 use native_tls::{Protocol, TlsConnector};
@@ -428,7 +428,7 @@ impl<'a> Transport<'a> for SmtpTransport {
         feature = "cargo-clippy",
         allow(clippy::match_same_arms, clippy::cyclomatic_complexity)
     )]
-    fn send<E: Into<SendableEmail>>(&mut self, email: E) -> SmtpResult {
+    fn send<E: Into<Email>>(&mut self, email: E) -> SmtpResult {
         let email = email.into();
 
         let message_id = email.message_id().to_string();
diff --git a/src/stub/mod.rs b/src/stub/mod.rs
index 217973c..04c215e 100644
--- a/src/stub/mod.rs
+++ b/src/stub/mod.rs
@@ -2,7 +2,7 @@
 //! testing purposes.
 //!
 
-use crate::SendableEmail;
+use crate::Email;
 use crate::Transport;
 use log::info;
 
@@ -30,7 +30,7 @@ pub type StubResult = Result<(), ()>;
 impl<'a> Transport<'a> for StubTransport {
     type Result = StubResult;
 
-    fn send<E: Into<SendableEmail>>(&mut self, email: E) -> StubResult {
+    fn send<E: Into<Email>>(&mut self, email: E) -> StubResult {
         let email = email.into();
 
         info!(
diff --git a/tests/build_with_envelope.rs b/tests/build_with_envelope.rs
index 75e76be..cdfa6b1 100644
--- a/tests/build_with_envelope.rs
+++ b/tests/build_with_envelope.rs
@@ -23,10 +23,10 @@ fn build_with_envelope_without_from_test() {
         vec![EmailAddress::new("to@example.org".to_string()).unwrap()],
     )
     .unwrap();
-    let _email = EmailBuilder::new()
+    assert!(EmailBuilder::new()
         .envelope(e)
         .subject("subject")
         .text("message")
         .build()
-        .unwrap_err();
+        .is_err());
 }
diff --git a/tests/r2d2_smtp.rs b/tests/r2d2_smtp.rs
index cc4d3b9..b593c1b 100644
--- a/tests/r2d2_smtp.rs
+++ b/tests/r2d2_smtp.rs
@@ -1,13 +1,13 @@
 #[cfg(all(test, feature = "smtp-transport", feature = "connection-pool"))]
 mod test {
-    use lettre::{ClientSecurity, EmailAddress, Envelope, SendableEmail, SmtpClient};
+    use lettre::{ClientSecurity, Email, EmailAddress, Envelope, SmtpClient};
     use lettre::{SmtpConnectionManager, Transport};
     use r2d2::Pool;
     use std::sync::mpsc;
     use std::thread;
 
-    fn email(message: &str) -> SendableEmail {
-        SendableEmail::new(
+    fn email(message: &str) -> Email {
+        Email::new(
             Envelope::new(
                 Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                 vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/tests/transport_file.rs b/tests/transport_file.rs
index e1a86b7..97ffa08 100644
--- a/tests/transport_file.rs
+++ b/tests/transport_file.rs
@@ -2,7 +2,7 @@
 #[cfg(feature = "file-transport")]
 mod test {
     use lettre::file::FileTransport;
-    use lettre::{EmailAddress, Envelope, SendableEmail, Transport};
+    use lettre::{Email, EmailAddress, Envelope, Transport};
     use std::env::temp_dir;
     use std::fs::remove_file;
     use std::fs::File;
@@ -11,7 +11,7 @@ mod test {
     #[test]
     fn file_transport() {
         let mut sender = FileTransport::new(temp_dir());
-        let email = SendableEmail::new(
+        let email = Email::new(
             Envelope::new(
                 Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                 vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/tests/transport_sendmail.rs b/tests/transport_sendmail.rs
index a9ba679..744c3c6 100644
--- a/tests/transport_sendmail.rs
+++ b/tests/transport_sendmail.rs
@@ -2,12 +2,12 @@
 #[cfg(feature = "sendmail-transport")]
 mod test {
     use lettre::sendmail::SendmailTransport;
-    use lettre::{EmailAddress, Envelope, SendableEmail, Transport};
+    use lettre::{Email, EmailAddress, Envelope, Transport};
 
     #[test]
     fn sendmail_transport_simple() {
         let mut sender = SendmailTransport::new();
-        let email = SendableEmail::new(
+        let email = Email::new(
             Envelope::new(
                 Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                 vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/tests/transport_smtp.rs b/tests/transport_smtp.rs
index 931baf9..9fe0733 100644
--- a/tests/transport_smtp.rs
+++ b/tests/transport_smtp.rs
@@ -1,11 +1,11 @@
 #[cfg(test)]
 #[cfg(feature = "smtp-transport")]
 mod test {
-    use lettre::{ClientSecurity, EmailAddress, Envelope, SendableEmail, SmtpClient, Transport};
+    use lettre::{ClientSecurity, Email, EmailAddress, Envelope, SmtpClient, Transport};
 
     #[test]
     fn smtp_transport_simple() {
-        let email = SendableEmail::new(
+        let email = Email::new(
             Envelope::new(
                 Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
                 vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/tests/transport_stub.rs b/tests/transport_stub.rs
index 1ca410c..7552a24 100644
--- a/tests/transport_stub.rs
+++ b/tests/transport_stub.rs
@@ -1,11 +1,11 @@
 use lettre::stub::StubTransport;
-use lettre::{EmailAddress, Envelope, SendableEmail, Transport};
+use lettre::{Email, EmailAddress, Envelope, Transport};
 
 #[test]
 fn stub_transport() {
     let mut sender_ok = StubTransport::new_positive();
     let mut sender_ko = StubTransport::new(Err(()));
-    let email_ok = SendableEmail::new(
+    let email_ok = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
@@ -14,7 +14,7 @@ fn stub_transport() {
         "id".to_string(),
         "Hello ß☺ example".to_string().into_bytes(),
     );
-    let email_ko = SendableEmail::new(
+    let email_ko = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/website/src/creating-messages/email.md b/website/src/creating-messages/email.md
index 698850e..8a91c29 100644
--- a/website/src/creating-messages/email.md
+++ b/website/src/creating-messages/email.md
@@ -5,7 +5,7 @@ This section explains how to create emails.
 #### Simple example
 
 The `email` part builds email messages. For now, it does not support attachments.
-An email is built using an `EmailBuilder`. The simplest email could be:
+An email is built using an `Email` builder. The simplest email could be:
 
 ```rust
 # #[cfg(feature = "builder")]
@@ -30,7 +30,7 @@ fn main() {
 # }
 ```
 
-When the `build` method is called, the `EmailBuilder` will add the missing headers (like
+When the `build` method is called, the builder will add the missing headers (like
 `Message-ID` or `Date`) and check for missing necessary ones (like `From` or `To`). It will
 then generate an `Email` that can be sent.
 
diff --git a/website/src/sending-messages/_index.md b/website/src/sending-messages/_index.md
index 9cf4e55..75dd91d 100644
--- a/website/src/sending-messages/_index.md
+++ b/website/src/sending-messages/_index.md
@@ -3,7 +3,7 @@
 This section explains how to manipulate emails you have created.
 
 This mailer contains several different transports for your emails. To be sendable, the
-emails have to implement `SendableEmail`, which is the case for emails created with `lettre::builder`.
+emails have to implement `Email`, which is the case for emails created with `lettre::builder`.
 
 The following transports are available:
 
diff --git a/website/src/sending-messages/file.md b/website/src/sending-messages/file.md
index 2570702..a8db2b2 100644
--- a/website/src/sending-messages/file.md
+++ b/website/src/sending-messages/file.md
@@ -12,12 +12,12 @@ extern crate lettre;
 use std::env::temp_dir;
 
 use lettre::file::FileTransport;
-use lettre::{Transport, Envelope, EmailAddress, SendableEmail};
+use lettre::{Transport, Envelope, EmailAddress, Email};
 
 fn main() {
     // Write to the local temp directory
     let mut sender = FileTransport::new(temp_dir());
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/website/src/sending-messages/sendmail.md b/website/src/sending-messages/sendmail.md
index 95c991b..83bfbdc 100644
--- a/website/src/sending-messages/sendmail.md
+++ b/website/src/sending-messages/sendmail.md
@@ -8,10 +8,10 @@ The sendmail transport sends the email using the local sendmail command.
 extern crate lettre;
 
 use lettre::sendmail::SendmailTransport;
-use lettre::{SendableEmail, Envelope, EmailAddress, Transport};
+use lettre::{Email, Envelope, EmailAddress, Transport};
 
 fn main() {
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/website/src/sending-messages/smtp.md b/website/src/sending-messages/smtp.md
index 61a730a..d491057 100644
--- a/website/src/sending-messages/smtp.md
+++ b/website/src/sending-messages/smtp.md
@@ -22,10 +22,10 @@ This is the most basic example of usage:
 # {
 extern crate lettre;
 
-use lettre::{SendableEmail, EmailAddress, Transport, Envelope, SmtpClient};
+use lettre::{Email, EmailAddress, Transport, Envelope, SmtpClient};
 
 fn main() {
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
@@ -53,12 +53,12 @@ fn main() {
 extern crate lettre;
 
 use lettre::smtp::authentication::{Credentials, Mechanism};
-use lettre::{SendableEmail, Envelope, EmailAddress, Transport, SmtpClient};
+use lettre::{Email, Envelope, EmailAddress, Transport, SmtpClient};
 use lettre::smtp::extension::ClientId;
 use lettre::smtp::ConnectionReuseParameters;
 
 fn main() {
-    let email_1 = SendableEmail::new(
+    let email_1 = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
@@ -67,7 +67,7 @@ fn main() {
         "Hello world".to_string().into_bytes(),
     );
 
-    let email_2 = SendableEmail::new(
+    let email_2 = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
@@ -112,14 +112,14 @@ extern crate lettre;
 
 use lettre::{
     ClientSecurity, ClientTlsParameters, EmailAddress, Envelope, 
-    SendableEmail, SmtpClient, Transport,
+    Email, SmtpClient, Transport,
 };
 use lettre::smtp::authentication::{Credentials, Mechanism};
 use lettre::smtp::ConnectionReuseParameters;
 use native_tls::{Protocol, TlsConnector};
 
 fn main() {
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],
diff --git a/website/src/sending-messages/stub.md b/website/src/sending-messages/stub.md
index b7b9c48..cc6daa5 100644
--- a/website/src/sending-messages/stub.md
+++ b/website/src/sending-messages/stub.md
@@ -7,10 +7,10 @@ testing purposes.
 extern crate lettre;
 
 use lettre::stub::StubTransport;
-use lettre::{SendableEmail, Envelope, EmailAddress, Transport};
+use lettre::{Email, Envelope, EmailAddress, Transport};
 
 fn main() {
-    let email = SendableEmail::new(
+    let email = Email::new(
         Envelope::new(
             Some(EmailAddress::new("user@localhost".to_string()).unwrap()),
             vec![EmailAddress::new("root@localhost".to_string()).unwrap()],