src/main/java/com/mavlushechka/notary/util/EmailSender.java


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package com.mavlushechka.notary.util;

import javax.mail.*;
import javax.mail.internet.*;
import java.util.Properties;

public class EmailSender {

    private final static Session SESSION;

    static {
        Properties properties = new Properties();
        properties.put("mail.smtp.auth", true);
        properties.put("mail.smtp.starttls.enable", true);
        properties.put("mail.smtp.host", "smtp.mailtrap.io");
        properties.put("mail.smtp.port", "2525");
        properties.put("mail.smtp.ssl.trust", "smtp.mailtrap.io");
        properties.put("mail.smtp.ssl.protocols", "TLSv1.2");

        SESSION = Session.getInstance(properties, new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication("4df6840637b3c8", "829aff4fc98967");
            }
        });
    }


    public static void send(String from, String to, String subject, String messageText) throws MessagingException {
        Message message = new MimeMessage(SESSION);
        message.setFrom(new InternetAddress(from));
        message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
        message.setSubject(subject);

        MimeBodyPart mimeBodyPart = new MimeBodyPart();
        mimeBodyPart.setContent(messageText, "text/html; charset=utf-8");

        Multipart multipart = new MimeMultipart();
        multipart.addBodyPart(mimeBodyPart);

        message.setContent(multipart);

        Transport.send(message);
    }

}