Receiving Mail only in the format of Plain Text Using QTcpSocket in SMTP

[$ATHEES]

thanks for your suggestion..Guru
But
I had tried that ,
using that document only i had send a mail.
when i set a content type as HTML and Header name .
it also considering as Plain text
hear i attached my coding only the body content

Smtp::Smtp( const QString &from, const QString &to, const QString &subject , const QString &body ,const QString &address,int port)
{
    socket = new QTcpSocket(this);
    connect( socket, SIGNAL(readyRead()), this, SLOT( readyRead() ) );
    connect( socket, SIGNAL( connected()), this, SLOT( connected() ) );
    connect(socket, SIGNAL(disconnected()), this,SLOT(disconnected()));
  message = "To: " + to + "\n";
  message.append("From: " + from + "\n");
  message.append("Subject: " + subject + "\n");
  //Let's intitiate multipart MIME with cutting boundary "frontier"
  message.append("MIME-Version: 1.0\n");
  message.append("Content-Type: multipart/mixed; boundary=frontier\n\n");
  message.append( "--frontier\n" );
  //message.append( "Content-Type: text/html\n\n" );  //Uncomment this for HTML
  formating, coment the line below 
  message.append( "Content-Type: text/html\n\n" );
 
  message.append(body);
 
  message.append("\n\n");
  message.append( "--frontier--\n" );
 
  message.replace( QString::fromLatin1( "\n" ), QString::fromLatin1( "\r\n" ) );
 
  message.replace( QString::fromLatin1( "\r\n.\r\n" ),QString::fromLatin1( "\r\n..\r\n" ) );
 
  this->from = from;
  rcpt = to;
  state = Init;
  socket->connectToHost( address,port);//"172.17.72.36", 25);
  t = new QTextStream( socket );
  if(socket->waitForConnected ( 30000 ))
  {qDebug("connected"); }
}

Smtp::Smtp( const QString &from, const QString &to, const QString &subject , const QString &body ,const QString &address,int port)
{
    socket = new QTcpSocket(this);
    connect( socket, SIGNAL(readyRead()), this, SLOT( readyRead() ) );
    connect( socket, SIGNAL( connected()), this, SLOT( connected() ) );
    connect(socket, SIGNAL(disconnected()), this,SLOT(disconnected()));
  message = "To: " + to + "\n";
  message.append("From: " + from + "\n");
  message.append("Subject: " + subject + "\n");
  //Let's intitiate multipart MIME with cutting boundary "frontier"
  message.append("MIME-Version: 1.0\n");
  message.append("Content-Type: multipart/mixed; boundary=frontier\n\n");
  message.append( "--frontier\n" );
  //message.append( "Content-Type: text/html\n\n" );  //Uncomment this for HTML
  formating, coment the line below 
  message.append( "Content-Type: text/html\n\n" );

  message.append(body);

  message.append("\n\n");
  message.append( "--frontier--\n" );

  message.replace( QString::fromLatin1( "\n" ), QString::fromLatin1( "\r\n" ) );

  message.replace( QString::fromLatin1( "\r\n.\r\n" ),QString::fromLatin1( "\r\n..\r\n" ) );

  this->from = from;
  rcpt = to;
  state = Init;
  socket->connectToHost( address,port);//"172.17.72.36", 25);
  t = new QTextStream( socket );
  if(socket->waitForConnected ( 30000 ))
  {qDebug("connected"); }
}

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