When sending an email using Java code is required, good old SMTP and javax.mail package do all the work. What’s left for developer if properly align and pass all required parameters.

Using AWS SDK always leaves one question open for me - how to introduce test coverage for the integration code. On one side, it doesn’t make any sense to test/mock the code outside of your control (unless you’re owning AWS SDK code, of course, but I suggest, most probably, you don’t). On the other side, leaving code uncovered doesn’t really look good as well.

Quite for some time I was thinking about starting a blog on software engineering and GitHub Pages seemed like an ideal option, hosting the blog right next to the code. GitHub Pages comes with support of Jekyll static site generation engine, so using it seemed like a good option as well.