diff -r d54786065fa3 -r fdc075324ef3 src/org/sonews/daemon/NNTPConnection.java
--- a/src/org/sonews/daemon/NNTPConnection.java	Wed Oct 19 21:40:51 2011 +0200
+++ b/src/org/sonews/daemon/NNTPConnection.java	Tue Oct 25 10:39:57 2011 +0200
@@ -17,6 +17,7 @@
  */
 package org.sonews.daemon;
 
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.net.SocketException;
@@ -36,6 +37,8 @@
 import org.sonews.storage.StorageBackendException;
 import org.sonews.util.Log;
 import org.sonews.util.Stats;
+import org.sonews.util.io.CRLFOutputStream;
+import org.sonews.util.io.SMTPOutputStream;
 
 /**
  * For every SocketChannel (so TCP/IP connection) there is an instance of
@@ -306,6 +309,30 @@
 		this.lineBuffers.addOutputBuffer(ByteBuffer.wrap(rawLines));
 		writeToChannel(CharBuffer.wrap(NEWLINE), charset, null);
 	}
+	
+	/**
+	 * Same as {@link #println(byte[]) } but escapes lines containing single dot,
+	 * which has special meaning in protocol (end of message).
+	 * 
+	 * This method is safe to be used for writing messages – if message contains 
+	 * a line with single dot, it will be doubled and thus not interpreted 
+	 * by NNTP client as end of message
+	 * 
+	 * @param rawLines
+	 * @throws IOException 
+	 */
+	public void printlnEscapeDots(final byte[] rawLines) throws IOException {
+		// TODO: optimalizace
+		
+		ByteArrayOutputStream baos = new ByteArrayOutputStream(rawLines.length + 10);
+		CRLFOutputStream crlfStream = new CRLFOutputStream(baos);
+		SMTPOutputStream smtpStream = new SMTPOutputStream(crlfStream);
+		smtpStream.write(rawLines);
+		
+		println(baos.toByteArray());
+		
+		smtpStream.close();
+	}
 
 	/**
 	 * Encodes the given CharBuffer using the given Charset to a bunch of