apache james : mail server - java

The following is my code.
This executed successfully. But I didn't see any mail in my inbox
Anybody please help.
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class SendMail {
public static void main(String args[]) throws Exception {
String fromAddress = "testmail#gmail.com";
String toAddress = "testmail#gmail.com";
Properties properties = new Properties();
properties.put("mail.smtp.host", "localhost");
properties.put("mail.smtp.port", "25");
properties.put("mail.transport.protocol", "smtp");
try
{
properties.put("mail.smtp.starttls.enable", "true");
Session session = Session.getDefaultInstance(properties, null);
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(fromAddress));
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toAddress));
message.setSubject("Email from our JAMEs");
message.setText("hiiiiii!!");
Transport.send(message);
System.out.println("Email sent");
}
catch (MessagingException e)
{
e.printStackTrace();
}
}
}

You'll need to either login and send over one of:
POP
IMAP
Gmail API
or you can use a domain you control, at the moment you are trying to send as gmail.com, and being ignored because it knows your IP is not allowed to send as gmail.com, because of SPF, which limits spam by setting who can send as which domains
SPF (Wikipedia)

Related

Java Send E-Mail Using Gmail SMTP

Trying to send an email using my gmail account like bellow -
import org.junit.jupiter.api.Test;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class EMailTest {
#Test
public void sendEmail() {
String to = "to-email#markany.com";
String from = "from-email#gmail.com";
String host = "smtp.gmail.com";
Properties properties = System.getProperties();
properties.put("mail.smtp.host", host);
properties.put("mail.smtp.port", "465");
properties.put("mail.smtp.ssl.enable", "true");
properties.put("mail.smtp.auth", "true");
Session session = Session.getInstance(properties, new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(from, "from-email-password");
}
});
session.setDebug(true);
try {
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject("This is the Subject Line!");
message.setText("This is actual message");
System.out.println("sending...");
Transport.send(message);
System.out.println("Sent message successfully....");
} catch (MessagingException mex) {
mex.printStackTrace();
}
}
}
But it required turning on the "Less secure app access" option in sender/from email account setting.
And this option is no longer supported by Gmail -
https://support.google.com/accounts/answer/6010255?hl=en
So, how to send email now in Java using Gmail?

JavaxException Unknown SMTP host Exception: mail.gmail.com

I am trying to send mail using Java code . The code is working fine when running on my personal PC . But on office network the exception of unknown SMTP host is appearing. Also my office pc is not able to ping smtp.gmail.com. PC firewall is closed as well.
Is there any other way to establish the connection? I am also providing my code below for reference.
mport javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import javax.mail.Authenticator;
public class otp {
String d_email = "email#gmail.com",
d_password = "password",
d_uname="uname",//your email password
d_host = "mail.outlook.com",
d_port = "587",
m_to = "target#gmail.com", // Target email address
m_subject = "Testing Mail programs",
m_text = "Hey, this is a test email.";
public otp() {
Properties props = new Properties();
props.put("mail.smtp.user", d_email);
props.put("mail.smtp.host", d_host);
props.put("mail.smtp.port", d_port);
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.debug", "true");
props.put("mail.smtp.socketFactory.port", d_port);
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
try {
Authenticator auth = new SMTPAuthenticator();
Session session = Session.getInstance(props,auth);
session.setDebug(true);
MimeMessage msg = new MimeMessage(session);
msg.setText(m_text);
msg.setSubject(m_subject);
System.out.println(1);
msg.setFrom(new InternetAddress(d_email));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(m_to));
System.out.println(3);
Transport transport = session.getTransport("smtp");
transport.connect(d_host, Integer.valueOf(d_port),d_uname , d_password);
transport.sendMessage(msg, msg.getAllRecipients());
transport.close();
Transport.send(msg);
System.out.println("Message Sent succesfully");
} catch (Exception mex) {
mex.printStackTrace();
}
}
public static void main(String[] args) {
otp blah = new otp();
}
private class SMTPAuthenticator extends javax.mail.Authenticator {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(d_email, d_password);
}
}
}
I guess that you are behind the internal firewall/proxy of your office, it is very common to put the whole internal network of a company behind a central firewall or to check Outgoing/Incoming requests of the networks traffic a Dynamic Proxy Server.in that case, you can check it in the proxy settings of your pc.
internet explorer(or any browser)-> settings -> internet option -> Connections Tab -> LAN Settings.
for the granular analyses,please attach your code.
you are using a gmail account but you have provided a outlook host , try the following template:
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class SendEmailUsingGMailSMTP {
public static void main(String[] args) {
// Recipient's email ID needs to be mentioned.
String to = "xyz#gmail.com";//change accordingly
// Sender's email ID needs to be mentioned
String from = "abc#gmail.com";//change accordingly
final String username = "abc";//change accordingly
final String password = "*****";//change accordingly
// >> gmail host
String host = "smtp.gmail.com";
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", host);
props.put("mail.smtp.port", "587");
// Get the Session object.
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
try {
// Create a default MimeMessage object.
Message message = new MimeMessage(session);
// Set From: header field of the header.
message.setFrom(new InternetAddress(from));
// Set To: header field of the header.
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(to));
// Set Subject: header field
message.setSubject("Testing Subject");
// Now set the actual message
message.setText("Hello, this is sample for to check send "
+ "email using JavaMailAPI ");
// Send message
Transport.send(message);
System.out.println("Sent message successfully....");
} catch (MessagingException e) {
throw new RuntimeException(e);
}enter code here
}
}

Java server socket connecting to HTML client

Is it possible to connect a java server, sending picture data with sockets, to an HTML page, that can then render those pictures on screen?
It would also be helpful to know how to send a response from the HTML page back to the java server. (If for example, someone clicked their mouse on the page)
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Properties;
class SimpleMail1 {
public static void main(String[] args) throws Exception{
System.out.println("Sending mail...");
Properties props = new Properties();
props.setProperty("mail.transport.protocol", "smtp");
props.setProperty("mail.host", "smtp.mymailserver.com");
props.setProperty("mail.user", "myuser");
props.setProperty("mail.password", "mypwd");
Session mailSession = Session.getDefaultInstance(props, null);
mailSession.setDebug(true);
Transport transport = mailSession.getTransport();
MimeMessage message = new MimeMessage(mailSession);
message.setSubject("HTML mail with images");
message.setFrom(new InternetAddress("me#sender.com"));
message.setContent
("<h1>This is a test</h1>"
+ "<img src=\"http://www.rgagnon.com/images/jht.gif\">",
"text/html");
message.addRecipient(Message.RecipientType.TO,
new InternetAddress("you#receiver.com"));
transport.connect();
transport.sendMessage(message,
message.getRecipients(Message.RecipientType.TO));
transport.close();
}
}

How to send simple Email using Javamail?

i am creating a simple java mail program,the program is working ok and the last system print also working .but the problem is i dint received the mail in outlook.here i am using the company outlook.please some one help me.
i am attaching my code here
enter code here
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class SimpleSendEmail
{
public static void main(String[] args)
{
String host = "compny host";
String from = "mail id";
String to = "usr#some.com";
String subject = "birthday mail";
String messageText = "I am sending a message using the"
+ " simple.\n" + "happy birthday.";
boolean sessionDebug = false;
Properties props = System.getProperties();
props.put("compny host", host);
props.put("mail.smtp.port", "25");
props.put("mail.transport.protocol", "smtp");
props.put("mail.smtp.starttls.enable", "true");
Session session = Session.getDefaultInstance(props, null);
// Set debug on the Session so we can see what is going on
// Passing false will not echo debug info, and passing true
// will.
session.setDebug(sessionDebug);
try
{
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
InternetAddress[] address = { new InternetAddress(to) };
msg.setRecipients(Message.RecipientType.TO, address);
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setText(messageText);
Transport.send(msg);
System.out.println("Sent message successfully....");
}
catch (MessagingException mex)
{
mex.printStackTrace();
}
}
}
output
Sent message successfully....
"Compny host" doesn't seem like correct host. Check out this tutorial http://www.tutorialspoint.com/java/java_sending_email.htm and here you have also a few examples of sending emails in Java Send email using java
I do expect that you are using the correct host on your side.
But you are missing Username and Password.
transport = session.getTransport("smtp");
transport.connect(hostName, port, user, password);
transport.sendMessage(message, message.getAllRecipients());
or you can use the Authenticator:
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});

How i send email without authentication using java

I would like to send email without authentication using java.
Can someone help me?
With authentication, I do it as follows:
public void sendEmail() throws EmailException{
SimpleEmail email = new SimpleEmail();
email.setHostName("smtp.gmail.com");
email.setSmtpPort(465);
email.addTo("XXX#gmail.com", "XXXX");
email.setFrom("XXXX#gmail.com","XXXXX");
email.setSubject("testando . . .");
email.setMsg("testando 1");
email.setSSL(true);
email.setAuthentication("xxxxxx#gmail.com", "XXXXX");
email.send();
}
I forgot to say that i do not have a provider. i need an provider finally, i have emailFrom Subject and Message, and need send this email how?
If it is only for testing purposes, you may try Papercut. While it’s running, Papercut automatically picks up e-mail sent to the standard SMTP port (25) on any IP address. You just send mail from your application and switch to Papercut to review it.
Papercut # github:
https://github.com/ChangemakerStudios/Papercut/releases
import java.util.Date;
import java.util.Properties;
import javax.mail.Message.RecipientType;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class SendMail {
public static void main(String[] args) throws Exception {
Properties props = new Properties();
props.put("mail.smtp.host", "127.0.0.1");
props.put("mail.smtp.port", "25");
props.put("mail.debug", "true");
Session session = Session.getDefaultInstance(props);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress("admin#test.com"));
message.setRecipient(RecipientType.TO, new InternetAddress("a#b.com"));
message.setSubject("Notification");
message.setText("Successful!", "UTF-8"); // as "text/plain"
message.setSentDate(new Date());
Transport.send(message);
}
}
import java.util.*;
import javax.mail.*;
public class SimpleEmail {
public static void main(String[] args) {
System.out.println("SimpleEmail Start");
String smtpHostServer = "smtp.gmail.com";
String toEmail = "XXXX#gmail.com";
Properties props = System.getProperties();
props.put("mail.smtp.host", smtpHostServer);
props.put("mail.smtp.starttls.enable", true);
props.put("mail.smtp.port", "25");
Session session = Session.getDefaultInstance(props);
try {
MimeMessage msg = new MimeMessage(session);
msg.addHeader("Content-type", "text/HTML; charset=UTF-8");
msg.addHeader("format", "flowed");
msg.addHeader("Content-Transfer-Encoding", "8bit");
msg.setFrom(new InternetAddress("n91eply#gmail.com", "NoReply-JD"));
msg.setReplyTo(InternetAddress.parse("n91eply#gmail.com", false));
msg.setSubject("SimpleEmail Testing Subject", "UTF-8");
msg.setText("SimpleEmail Testing Body", "UTF-8");
msg.setSentDate(new Date());
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toEmail, false));
System.out.println("Message is ready");
Transport.send(msg);
System.out.println("EMail Sent Successfully!!");
} catch (Exception e) {
e.printStackTrace();
}
}
}
Try this example:
// File Name SendEmail.java
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class SendEmail
{
public static void main(String [] args)
{
// Recipient's email ID needs to be mentioned.
String to = "abcd#gmail.com";
// Sender's email ID needs to be mentioned
String from = "web#gmail.com";
// Assuming you are sending email from localhost
String host = "localhost";
// Get system properties
Properties properties = System.getProperties();
// Setup mail server
properties.setProperty("mail.smtp.host", host);
// Get the default Session object.
Session session = Session.getDefaultInstance(properties);
try{
// Create a default MimeMessage object.
MimeMessage message = new MimeMessage(session);
// Set From: header field of the header.
message.setFrom(new InternetAddress(from));
// Set To: header field of the header.
message.addRecipient(Message.RecipientType.TO,
new InternetAddress(to));
// Set Subject: header field
message.setSubject("This is the Subject Line!");
// Now set the actual message
message.setText("This is actual message");
// Send message
Transport.send(message);
System.out.println("Sent message successfully....");
}catch (MessagingException mex) {
mex.printStackTrace();
}
}
}
Via: tutorialspoint

Categories