diff -r 9f0b95aafaa3 -r ed84c8bdd87b src/org/sonews/mlgw/SMTPTransport.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sonews/mlgw/SMTPTransport.java	Sun Aug 29 17:28:58 2010 +0200
@@ -0,0 +1,133 @@
+/*
+ *   SONEWS News Server
+ *   see AUTHORS for the list of contributors
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sonews.mlgw;
+
+import java.io.BufferedOutputStream;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.Socket;
+import java.net.UnknownHostException;
+import org.sonews.config.Config;
+import org.sonews.storage.Article;
+import org.sonews.util.io.ArticleInputStream;
+
+/**
+ * Connects to a SMTP server and sends a given Article to it.
+ * @author Christian Lins
+ * @since sonews/1.0
+ */
+class SMTPTransport
+{
+
+  protected BufferedReader       in;
+  protected BufferedOutputStream out;
+  protected Socket               socket;
+
+  public SMTPTransport(String host, int port)
+    throws IOException, UnknownHostException
+  {
+    socket = new Socket(host, port);
+    this.in  = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+    this.out = new BufferedOutputStream(socket.getOutputStream());
+
+    // Read helo from server
+    String line = this.in.readLine();
+    if(line == null || !line.startsWith("220 "))
+    {
+      throw new IOException("Invalid helo from server: " + line);
+    }
+
+    // Send HELO to server
+    this.out.write(
+      ("HELO " + Config.inst().get(Config.HOSTNAME, "localhost") + "\r\n").getBytes("UTF-8"));
+    this.out.flush();
+    line = this.in.readLine();
+    if(line == null || !line.startsWith("250 "))
+    {
+      throw new IOException("Unexpected reply: " + line);
+    }
+  }
+
+  public SMTPTransport(String host)
+    throws IOException
+  {
+    this(host, 25);
+  }
+
+  public void close()
+    throws IOException
+  {
+    this.out.write("QUIT".getBytes("UTF-8"));
+    this.out.flush();
+    this.in.readLine();
+
+    this.socket.close();
+  }
+
+  public void send(Article article, String mailFrom, String rcptTo)
+    throws IOException
+  {
+    assert(article != null);
+    assert(mailFrom != null);
+    assert(rcptTo != null);
+
+    this.out.write(("MAIL FROM: " + mailFrom).getBytes("UTF-8"));
+    this.out.flush();
+    String line = this.in.readLine();
+    if(line == null || !line.startsWith("250 "))
+    {
+      throw new IOException("Unexpected reply: " + line);
+    }
+
+    this.out.write(("RCPT TO: " + rcptTo).getBytes("UTF-8"));
+    this.out.flush();
+    line  = this.in.readLine();
+    if(line == null || !line.startsWith("250 "))
+    {
+      throw new IOException("Unexpected reply: " + line);
+    }
+
+    this.out.write("DATA".getBytes("UTF-8"));
+    this.out.flush();
+    line = this.in.readLine();
+    if(line == null || !line.startsWith("354 "))
+    {
+      throw new IOException("Unexpected reply: " + line);
+    }
+
+    ArticleInputStream   artStream = new ArticleInputStream(article);
+    for(int b = artStream.read(); b >= 0; b = artStream.read())
+    {
+      this.out.write(b);
+    }
+
+    // Flush the binary stream; important because otherwise the output
+    // will be mixed with the PrintWriter.
+    this.out.flush();
+    this.out.write("\r\n.\r\n".getBytes("UTF-8"));
+    this.out.flush();
+    line = this.in.readLine();
+    if(line == null || !line.startsWith("250 "))
+    {
+      throw new IOException("Unexpected reply: " + line);
+    }
+  }
+
+}