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The source code
/*
* Copyright 2001-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package examples;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Enumeration;
import java.util.Vector;
import org.apache.commons.net.io.Util;
import org.apache.commons.net.smtp.SMTPClient;
import org.apache.commons.net.smtp.SMTPReply;
import org.apache.commons.net.smtp.SimpleSMTPHeader;
/***
* This is an example program using the SMTP package to send a message
* to the specified recipients. It prompts you for header information and
* a filename containing the message.
*
***/
public final class mail
{
public final static void main(String[] args)
{
String sender, recipient, subject, filename, server, cc;
Vector ccList = new Vector();
BufferedReader stdin;
FileReader fileReader = null;
Writer writer;
SimpleSMTPHeader header;
SMTPClient client;
Enumeration enum;
if (args.length < 1)
{
System.err.println("Usage: mail smtpserver");
System.exit(1);
}
server = args[0];
stdin = new BufferedReader(new InputStreamReader(System.in));
try
{
System.out.print("From: ");
System.out.flush();
sender = stdin.readLine();
System.out.print("To: ");
System.out.flush();
recipient = stdin.readLine();
System.out.print("Subject: ");
System.out.flush();
subject = stdin.readLine();
header = new SimpleSMTPHeader(sender, recipient, subject);
while (true)
{
System.out.print("CC : ");
System.out.flush();
// Of course you don't want to do this because readLine() may be null
cc = stdin.readLine().trim();
if (cc.length() == 0)
break;
header.addCC(cc);
ccList.addElement(cc);
}
System.out.print("Filename: ");
System.out.flush();
filename = stdin.readLine();
try
{
fileReader = new FileReader(filename);
}
catch (FileNotFoundException e)
{
System.err.println("File not found. " + e.getMessage());
}
client = new SMTPClient();
client.addProtocolCommandListener(new PrintCommandListener(
new PrintWriter(System.out)));
client.connect(server);
if (!SMTPReply.isPositiveCompletion(client.getReplyCode()))
{
client.disconnect();
System.err.println("SMTP server refused connection.");
System.exit(1);
}
client.login();
client.setSender(sender);
client.addRecipient(recipient);
enum = ccList.elements();
while (enum.hasMoreElements())
client.addRecipient((String)enum.nextElement());
writer = client.sendMessageData();
if (writer != null)
{
writer.write(header.toString());
Util.copyReader(fileReader, writer);
writer.close();
client.completePendingCommand();
}
fileReader.close();
client.logout();
client.disconnect();
}
catch (IOException e)
{
e.printStackTrace();
System.exit(1);
}
}
}
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