// generate html/text content
HtmlTextEmail htmlTextEmail = builder
        .header()
        .logo("https://www.rocketbase.io/img/logo-dark.png").logoHeight(41)
        .and()
        .text("Welcome, {{name}}!").h1().center().and()
        .text("Thanks for trying [Product Name]. We’re thrilled to have you on board. To get the most out of [Product Name], do this primary next step:").and()
        .button("Do this Next", "http://localhost").blue().and()
        .text("For reference, here's your login information:").and()
        .attribute()
        .keyValue("Login Page", "{{login_url}}")
        .keyValue("Username", "{{username}}")
        .and()
        .html("If you have any questions, feel free to <a href=\"mailto:{{support_email}}\">email our customer success team</a>. (We're lightning quick at replying.) We also offer <a href=\"{{live_chat_url}}\">live chat</a> during business hours.",
                "If you have any questions, feel free to email our customer success team\n" +
                        "(We're lightning quick at replying.) We also offer live chat during business hours.").and()
        .text("Cheers,\n" +
                "The [Product Name] Team").and()
        .copyright("rocketbase").url("https://www.rocketbase.io").suffix(". All rights reserved.").and()
        .footerText("[Company Name, LLC]\n" +
                "1234 Street Rd.\n" +
                "Suite 1234").and()
        .footerImage("https://cdn.rocketbase.io/assets/loading/no-image.jpg").width(100).linkUrl("https://www.rocketbase.io").and()
        .build();

// sent email
MimeMessage message = emailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(message,
        MimeMessageHelper.MULTIPART_MODE_MIXED_RELATED,
        StandardCharsets.UTF_8.name());
helper.setTo(to);
helper.setSubject(subject);
helper.setText(htmlTextEmail.getText(), htmlTextEmail.getHtml());
helper.setFrom(from);
emailSender.send(message);

TbConfiguration config = TbConfiguration.newInstance();
config.getContent().setFull(true);

HtmlTextEmail htmlTextEmail = builder
        .configuration(config)
        .header().text(header).and()
        .text("Hi {{name}},").and()
        .text("Thanks for using [Product Name]. This is an invoice for your recent purchase").and()
        .tableSimple("#.## '€'")
        .headerRow("Description", "Amount")
        .itemRow("Special Product\n" +
                "Some extra explanations in separate line", BigDecimal.valueOf(1333, 2))
        .itemRow("Short service", BigDecimal.valueOf(103, 1))
        .footerRow("Total", BigDecimal.valueOf(2363, 2))
        .and()
        .button("Download PDF", "http://localhost").gray().right().and()
        .text("If you have any questions about this receipt, simply reply to this email or reach out to our support team for help.").and()
        .copyright("rocketbase").url("https://www.rocketbase.io").suffix(". All rights reserved.").and()
        .footerText("[Company Name, LLC]\n" +
                "1234 Street Rd.\n" +
                "Suite 1234").and()
        .build();

TbConfiguration config = TbConfiguration.newInstance();
config.getContent().setWidth(800);

HtmlTextEmail htmlTextEmail = builder
        .configuration(config)
        .header().text(header).and()
        .text("Hi {{name}},").and()
        .text("Thanks for using [Product Name]. This is an invoice for your recent purchase").and()
        .tableSimpleWithImage("#.## '€'")
        .headerRow("Preview", "Description", "Amount")
        .itemRow("https://cdn.shopify.com/s/files/1/0255/1211/6260/products/TCW1142-07052_small.jpg?v=1589200198", "Damen Harbour Tanktop × 1\n" +
                "QUARTZ PINK / S", BigDecimal.valueOf(4995, 2))
        .itemRow("https://cdn.shopify.com/s/files/1/0255/1211/6260/products/TCM1886-0718_201_fdf0be52-639f-4ea8-9143-6bd75e0821b1_small.jpg?v=1583509609", "Herren ten Classic T-Shirt\n"+
                "FOREST GREEN HEATHER / XL", BigDecimal.valueOf(3995, 2))
        .itemRow("https://cdn.shopify.com/s/files/1/0255/1211/6260/products/TCM1939-0439_1332_da6f3e7c-e18d-4778-be97-c6c0b482b643_small.jpg?v=1583509671", "Herren Joshua Hanfshorts\n" +
                "DARK OCEAN BLUE / XL", BigDecimal.valueOf(6995, 2))
        .footerRow("Sum", BigDecimal.valueOf(15985, 2))
        .footerRow("Code - PLANT5", BigDecimal.valueOf(-799, 2))
        .footerRow("Total incl. Tax\n", BigDecimal.valueOf(15186, 2))
        .and()
        .button("Download PDF", "http://localhost").gray().right().and()
        .text("If you have any questions about this receipt, simply reply to this email or reach out to our support team for help.").and()
        .copyright("rocketbase").url("https://www.rocketbase.io").suffix(". All rights reserved.").and()
        .footerText("[Company Name, LLC]\n" +
                "1234 Street Rd.\n" +
                "Suite 1234").and()
        .build();