I turn on debugging to trace what’s going on. All looks good but one email bounces back after a day and some hotmail and gmails just vanish.
To test a mail server from one of our UNIX servers:
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.*;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
public class Mail {
/// example command line run
public static void main(String[] args) {
String sArray[] = new String[] {"tim.spann@somedomain.com", "tspann@timmail.com", "tspannjava@joemail.com"};
List<String> emails = Arrays.asList(sArray);
Iterator<String> iterator = emails.iterator();
while (iterator.hasNext()) {
Mail.sendEmail("test from test", "message", iterator.next() );
}
}
/**
* size of buffer
*/
public static final int gkBUFFER_SIZE = 256;
/**
* getCurrentDateTime
* @return Date current date
*/
public final static Date getCurrentDateTime() {
return new Date(System.currentTimeMillis());
}
/**
* sendEmail
* @param subject subject of email
* @param message message text
* @param emailAddress email address to send to
* @return String log of errors/status
*/
public final static String sendEmail(String subject, String message,
String emailAddress) {
// email sent
boolean emailSent = true;
// email message
StringBuffer emailLoggingMessage =
new StringBuffer(Mail.gkBUFFER_SIZE);
// start of message
emailLoggingMessage
.append("Email:")
.append(emailAddress).append(System.getProperty("line.separator"));
// Email Properties
Properties props = new Properties();
// add properties from properties file
props.put("mail.smtp.host",
"mymail.mydomain.com");
props.put("mail.debug",
"true");
props.put("mail.smtp.port","25");
// -- login
props.put("mail.smtp.auth", "true");
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("nt domainntid", "ntpassword");
}
});
// / -------------
// turn on debug mode
session.setDebug(true);
Message msg = new MimeMessage(session);
InternetAddress addressFrom = null;
try {
addressFrom =
new InternetAddress("Timothy.Spann@SomeSenderDomain.com");
} catch (AddressException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
try {
msg.setFrom(addressFrom);
} catch (MessagingException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
// recipient
InternetAddress addressTo = null;
try {
addressTo = new InternetAddress(emailAddress);
} catch (AddressException e) {
e.printStackTrace();
// refactor this
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
// add to address as recipient
try {
msg.setRecipient(Message.RecipientType.TO, addressTo);
} catch (MessagingException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
// Setting the Subject and Content Type
try {
msg.setSubject(subject);
} catch (MessagingException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
try {
msg.setContent(message,"text/plain");
} catch (MessagingException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
try {
Transport.send(msg);
} catch (MessagingException e) {
e.printStackTrace();
emailLoggingMessage.append(e.getLocalizedMessage()).append(
System.getProperty("line.separator"));
emailSent = false;
}
// sent message
if (emailSent) {
emailLoggingMessage.append("Email successfully sent.")
.append(System.getProperty("line.separator"));
}
// return message
return emailLoggingMessage.toString();
}
}
I am testing on a UNIX Server with:
– mail.sh
export ANT_OPTS="-Xms2048m -Xmx2048m -XX:MaxPermSize=1024m" export JAVA_OPTS="-server -Xms2048m -Xmx2048m -XX:MaxPermSize=1024m" export CLASSPATH=$CLASSPATH:dsn.jar:mail.jar:mailapi.jar:pop3.jar:smtp.jar:activation.jar:imap.jar:ojdbc14.jar:runtime12.jar:. javac Mail.java java Mail > mail.txt 2&> mailerr.txt
Debug Log
DEBUG: JavaMail version 1.4.4
DEBUG: URL jar:file:/home/tspann/mail/pop3.jar!/META-INF/javamail.providers
DEBUG: successfully loaded resource: jar:file:/home/tspann/mail/pop3.jar!/META-INF/javamail.providers
DEBUG: URL jar:file:/home/tspann/mail/smtp.jar!/META-INF/javamail.providers
DEBUG: successfully loaded resource: jar:file:/home/tspann/mail/smtp.jar!/META-INF/javamail.providers
DEBUG: URL jar:file:/home/tspann/mail/imap.jar!/META-INF/javamail.providers
DEBUG: successfully loaded resource: jar:file:/home/tspann/mail/imap.jar!/META-INF/javamail.providers
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name:
{com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc],
com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc],
com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc],
com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc],
com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc],
com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc]}
DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc],
imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Provider[TRANSPORT,smtps,
com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsy stems, Inc],
smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc],
pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: URL jar:file:/home/tspann/mail/smtp.jar!/META-INF/javamail.address.map
DEBUG: successfully loaded resource: jar:file:/home/tspann/mail/smtp.jar!/META-INF/javamail.address.map
DEBUG: setDebug: JavaMail version 1.4.4
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "SomeSenderDomain.com", port 25, isSSL false
220 SomeSenderDomain.com SMTP Ready.
DEBUG SMTP: connected to host "SomeSenderDomain.com", port: 25
EHLO timspann.cool.com
250-ESMTP Server Ready
250-SIZE 0
250-DSN
250-STARTTLS
250 TLS
DEBUG SMTP: Found extension "SIZE", arg "0"
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "TLS", arg ""
DEBUG SMTP: use8bit false
MAIL FROM:<Timothy.Spann@SomeSenderDomain.com>
250 +OK Sender OK
RCPT TO:<tim.spann@somedomain.com>
250 +OK Recipient OK
DEBUG SMTP: Verified Addresses
DEBUG SMTP: tim.spann@somedomain.com
DATA
354 Start mail input, end with '<CR><LF>.<CR><LF>'
From: Timothy.Spann@SomeSenderDomain.com
To: tim.spann@somedomain.com
Message-ID: <117704452.0.1350396539475.JavaMail.tspann@tspann.cool.com>
Subject: test from test
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
message
.
250 +OK message queued for delivery.
QUIT
221 Service closing transmission channel closing connection
Issues with IBM AIX Websphere JDK
JavaMail API
Transport
FSQ
Javamail Summary
Javamail Docs
Javamail Docs2
Javamail Readme
SMTP Package Summary
JavaMail without a server
JavaMail
IBM Issues with SSL TLS / GMAIL
java.security file at /base_v61/java/jre/lib/security
Port 25
Gmail Ports
SMTP
SMTP Errors
Javamail with SMTPS/SSL
Gmail SMTP using SSL
Javamail to Hotmail
SSL – Android
STARTTTLS
Javamail from Websphere
Sending Gmail
SSL Error Certificate
IBM Support
IBM Support
IBM Support
Javamail with TLS on AIX
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