Sending email with attachment

Sending email with attachment useful snippets :

Note: File is used to attach. If you are using nodeRef then you need to read those content and write to some file.

we are using <org.springframework.mail.javamail.JavaMailSender>

public void sendEmailWithAttachmentToListUsers(String from, List<String> emails, String subject, String body, String report_name, File fileObj) {
try
 {
 MimeMessage mimeMessage = mailSender.createMimeMessage();
 MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true); 
 helper.setSubject(subject);
 helper.setText(body,true);
 helper.setFrom(new InternetAddress(from));
 helper.setTo(getAddresses(emails));
 //add attachment
 FileSystemResource file = new FileSystemResource(fileObj.getAbsolutePath());
 helper.addAttachment(report_name + ".zip", file);
 mailSender.send(mimeMessage);
 logger.debug("## Email sent to -> "+ emails);
 }
 catch(MessagingException me)
 {
 logger.error(me);
}
}

//Method getAddresses

private static InternetAddress[] getAddresses(List<String> emailIds)
 {
   InternetAddress[] toAddresses = new InternetAddress[emailIds.size()];
 try
 { 
   for(int i=0; i<emailIds.size();i++ )
 {
    toAddresses[i] = new InternetAddress(emailIds.get(i));
 }
}
 catch(AddressException ae)
 {
 logger.error(ae);
 }
 return toAddresses;
}