private void sendEmail()

in signature/src/main/java/com/chemistry/enotebook/signature/email/EmailSender.java [98:158]
45 lines of code
6 McCabe index (conditional complexity)

    private void sendEmail(String email, String subject, String messageText, Multipart attachement) {
        final String username = this.emailUser;
        final String password = this.emailPassword;

        Properties props = new Properties();

        props.put("mail.smtp.connectiontimeout", TIMEOUT);
        props.put("mail.smtp.timeout", TIMEOUT);
        props.put("mail.smtp.writetimeout", TIMEOUT);

        props.put("mail.smtp.auth", emailAuth);
        props.put("mail.smtp.host", emailSmtpHost);
        props.put("mail.smtp.port", emailSmtpPort);

        // If send causes "Could not convert socket to TLS" exception,
        // add props.put("mail.smtp.ssl.trust", emailSmtpHost); for SSL or TLS

        if (Boolean.valueOf(emailTls)) {
            props.put("mail.smtp.starttls.enable", "true");
        } else if (Boolean.valueOf(emailSsl)) {
            props.put("mail.smtp.ssl.enable", "true");
        }

        Session session;

        if (Boolean.valueOf(emailAuth)) {
            session = Session.getInstance(props, new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(username, password);
                }
            });
        } else {
            session = Session.getInstance(props);
        }

        try {
            Message message = new MimeMessage(session);

            message.setFrom(new InternetAddress(emailFrom));
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(email));
            message.setSubject(subject);

            if (attachement != null) {
                MimeBodyPart messageBodyPart = new MimeBodyPart();
                messageBodyPart.setText(messageText);

                attachement.addBodyPart(messageBodyPart, 0);

                message.setContent(attachement);
            } else {
                message.setText(messageText);
            }

            Transport.send(message);

            log.info("Email to " + email + " has been sent.");
        } catch (Exception e) {
            log.error("Error sending email to " + email + ": " + e.getMessage());
        }
    }