Groovy Code to send email automatically via outlook using attachment

//Please ensure to download javax.activation.jar and mail. jar and under your classpath.

@GrabConfig(systemClassLoader=true, initContextClassLoader=true)

@Grab( 'javax.mail:mail:1.4.7' )

import javax.mail.internet.*;

import javax.mail.*

import javax.activation.*

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

import javax.mail.internet.InternetAddress;

import javax.activation.FileDataSource;

import javax.activation.DataHandler;

message = "test groovy mail"

subject = "groovy sent this"

toAddress = "mentioned to address here"

fromAddress = "mentioned from address here"

host = "your host name"        // for eg : inrelaymail.ABC.com"

port = "25"  

body = "Attachment Testing"

filename = "C:\\Sample.txt"

Properties mprops = new Properties();

mprops.setProperty("mail.transport.protocol","smtp");

mprops.setProperty("mail.host",host);

mprops.setProperty("mail.smtp.port",port);

Session lSession = Session.getDefaultInstance(mprops,null);

MimeMessage msg = new MimeMessage(lSession);

//tokenize out the recipients in case they came in as a list

StringTokenizer tok = new StringTokenizer(toAddress,";");

ArrayList emailTos = new ArrayList();

while(tok.hasMoreElements()){

emailTos.add(new InternetAddress(tok.nextElement().toString()));

}

InternetAddress[] to = new InternetAddress[emailTos.size()];

to = (InternetAddress[]) emailTos.toArray(to);

msg.setRecipients(MimeMessage.RecipientType.TO,to);

InternetAddress fromAddr = new InternetAddress(fromAddress);

msg.setFrom(fromAddr);

msg.setFrom(new InternetAddress(fromAddress));

msg.setSubject(subject);

msg.setText(message)

MimeBodyPart messagePart = new MimeBodyPart();

messagePart.setText(body);

MimeBodyPart attachmentPart = new MimeBodyPart();

FileDataSource fileDataSource = new FileDataSource(filename) {

    @Override

    public String getContentType() {

  return "application/octet-stream";

    }

};

attachmentPart.setDataHandler(new DataHandler(fileDataSource));

attachmentPart.setFileName(fileDataSource.getName());

Multipart multipart = new MimeMultipart();

multipart.addBodyPart(messagePart);

multipart.addBodyPart(attachmentPart);

msg.setContent(multipart);

Transport transporter = lSession.getTransport("smtp");

transporter.connect();

transporter.send(msg);