northcoder-repo/MySpringMailer.java

## MySpringMailer.java
import java.io.UnsupportedEncodingException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;

@Component
public class MySpringMailer {

    static final String FROM = "donotreply@me.org";
    static final String FROMNAME = "Test Person";
    static final String TO = "me@here.com";
    static final String SUBJECT = "Welcome to ABC";
    static final String BODY = String.join(System.getProperty("line.separator"),
            "<html><head></head><body><img src=\"cid:image_01\"></html> <br>"
            + "Welcome to ABC and have a really great experience.");

    @Autowired
    private JavaMailSender javaMailSender;

    public void sendSpringEmailWithInlineImage() {
        MimeMessage msg = javaMailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(msg, true); // true = multipart
            helper.setFrom(FROM, FROMNAME);
            helper.setTo(TO);
            helper.setSubject(SUBJECT);
            helper.setText(BODY, true); // true = HTML
            DataSource res = new FileDataSource("/path/to/logo.png");
            helper.addInline("image_01", res);
        } catch (UnsupportedEncodingException | MessagingException ex) {
            Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
        }
        javaMailSender.send(msg);
    }

}
	import java.io.UnsupportedEncodingException;
	import java.util.logging.Level;
	import java.util.logging.Logger;
	import javax.activation.DataSource;
	import javax.activation.FileDataSource;
	import javax.mail.MessagingException;
	import javax.mail.internet.MimeMessage;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.mail.javamail.JavaMailSender;
	import org.springframework.mail.javamail.MimeMessageHelper;
	import org.springframework.stereotype.Component;

	@Component
	public class MySpringMailer {

	static final String FROM = "donotreply@me.org";
	static final String FROMNAME = "Test Person";
	static final String TO = "me@here.com";
	static final String SUBJECT = "Welcome to ABC";
	static final String BODY = String.join(System.getProperty("line.separator"),
	"<html><head></head><body><img src=\"cid:image_01\"></html> <br>"
	+ "Welcome to ABC and have a really great experience.");

	@Autowired
	private JavaMailSender javaMailSender;

	public void sendSpringEmailWithInlineImage() {
	MimeMessage msg = javaMailSender.createMimeMessage();
	try {
	MimeMessageHelper helper = new MimeMessageHelper(msg, true); // true = multipart
	helper.setFrom(FROM, FROMNAME);
	helper.setTo(TO);
	helper.setSubject(SUBJECT);
	helper.setText(BODY, true); // true = HTML
	DataSource res = new FileDataSource("/path/to/logo.png");
	helper.addInline("image_01", res);
	} catch (UnsupportedEncodingException \| MessagingException ex) {
	Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex);
	}
	javaMailSender.send(msg);
	}

	}