diff --git a/src/SmtpMime b/src/SmtpMime
index 940996b..7b0c576 100644
--- a/src/SmtpMime
+++ b/src/SmtpMime
@@ -27,5 +27,6 @@
 #include "mimetext.h"
 #include "mimeinlinefile.h"
 #include "mimefile.h"
+#include "mimebytearrayattachment.h"
 
 #endif // SMTPMIME_H
diff --git a/src/mimebytearrayattachment.cpp b/src/mimebytearrayattachment.cpp
new file mode 100644
index 0000000..60ec22e
--- /dev/null
+++ b/src/mimebytearrayattachment.cpp
@@ -0,0 +1,13 @@
+#include "mimebytearrayattachment.h"
+
+MimeByteArrayAttachment::MimeByteArrayAttachment(const QString& name, const QByteArray &content) :
+    MimePart()
+{
+    this->cType = "application/octet-stream";
+    this->cEncoding = Base64;
+    this->cName = name,
+    this->content = content;
+}
+
+MimeByteArrayAttachment::~MimeByteArrayAttachment() {}
+
diff --git a/src/mimebytearrayattachment.h b/src/mimebytearrayattachment.h
new file mode 100644
index 0000000..bd63ad3
--- /dev/null
+++ b/src/mimebytearrayattachment.h
@@ -0,0 +1,20 @@
+#ifndef MIMEBYTEARRAYATTACHMENT_H
+#define MIMEBYTEARRAYATTACHMENT_H
+
+#include "smtpmime_global.h"
+#include "mimepart.h"
+
+class SMTP_MIME_EXPORT MimeByteArrayAttachment : public MimePart
+{
+public:    
+    /* [1] Constructors and Destructors */
+
+    MimeByteArrayAttachment(const QString& name, const QByteArray &content);
+    ~MimeByteArrayAttachment();
+
+    /* [1] --- */
+
+
+};
+
+#endif // MIMEBYTEARRAYATTACHMENT_H
diff --git a/src/smtpclient.cpp b/src/smtpclient.cpp
index a3b326c..a0e8190 100644
--- a/src/smtpclient.cpp
+++ b/src/smtpclient.cpp
@@ -30,8 +30,6 @@ SmtpClient::SmtpClient(const QString & host, int port, ConnectionType connection
     state(UnconnectedState),
     name("localhost"),
     authMethod(AuthPlain),
-    connectionTimeout(5000),
-    responseTimeout(5000),
     isReadyConnected(false),
     isAuthenticated(false),
     isMailSent(false)
diff --git a/src/smtpclient.h b/src/smtpclient.h
index a7892e3..19cb27c 100644
--- a/src/smtpclient.h
+++ b/src/smtpclient.h
@@ -172,9 +172,6 @@ protected:
     AuthMethod authMethod;
     bool clearUserDataAfterLogin;
 
-    int connectionTimeout;
-    int responseTimeout;
-
     QString responseText;
     QString tempResponse;
     int responseCode;