diff -r 000000000000 -r b723308e1359 src/org/sonews/util/io/SMTPOutputStream.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sonews/util/io/SMTPOutputStream.java	Tue Oct 25 10:16:13 2011 +0200
@@ -0,0 +1,111 @@
+/*
+GNU-Classpath Extensions: javamail
+Copyright (C) 2002 Chris Burdess
+
+For more information on the classpathx please mail:
+nferrier@tapsellferrier.co.uk
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public License
+as published by the Free Software Foundation; either version 2
+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, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+package org.sonews.util.io; // original package: gnu.mail.providers.smtp
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+
+/**
+ * An output stream implementing the SMTP specification for dot escaping.
+ * Objects of this class are intended to be chained with CRLFOutputStream
+ * instances as all SMTP output is intended to be CRLF-escaped.
+ *
+ * @author dog@gnu.org
+ * @version 0.1
+ */
+public class SMTPOutputStream extends FilterOutputStream {
+
+	/**
+	 * The LF octet.
+	 */
+	public static final int LF = 0x0a;
+	/**
+	 * The dot octet.
+	 */
+	public static final int DOT = 0x2e;
+	/**
+	 * The last octet read.
+	 */
+	protected int last;
+
+	/**
+	 * Constructs an SMTP output stream connected to the specified output stream.
+	 * The underlying output stream should coordinate proper CRLF pairs at
+	 * line ends.
+	 * @param out a CRLFOutputStream
+	 */
+	public SMTPOutputStream(CRLFOutputStream out) {
+		super(out);
+	}
+
+	/**
+	 * Writes a character to the underlying stream.
+	 * @exception IOException if an I/O error occurred
+	 */
+	@Override
+	public void write(int ch) throws IOException {
+		if (ch == DOT) {
+			if (last == LF) {
+				out.write(DOT);
+			}
+		}
+		out.write(ch);
+		last = ch;
+	}
+
+	/**
+	 * Writes a byte array to the underlying stream.
+	 * @exception IOException if an I/O error occurred
+	 */
+	@Override
+	public void write(byte b[]) throws IOException {
+		write(b, 0, b.length);
+	}
+
+	/**
+	 * Writes a portion of a byte array to the underlying stream.
+	 * @exception IOException if an I/O error occurred
+	 */
+	@Override
+	public void write(byte b[], int off, int len) throws IOException {
+		int d = off;
+		len += off;
+		for (int i = off; i < len; i++) {
+			switch (b[i]) {
+				case DOT:
+					int l = (i - d);
+					if (l > 0) {
+						out.write(b, d, l);
+					}
+					d = i;
+					if (last == LF) {
+						out.write(DOT);
+					}
+					break;
+			}
+			last = b[i];
+		}
+		if (len - d > 0) {
+			out.write(b, d, len - d);
+		}
+	}
+}