Debugging email delivery in rails app

<p><strong>Q: What was the request about? </strong><br>Sandra had few bugs within her email sending flow.<br><br><strong>Q: How did you help with the request?</strong><br>I've identified bugs and fixed 'em all :)<br><br><strong>Q: Any best practices &amp; key learnings you can share?</strong></p><p>Do not complicate your life. Look for the easiest way how to get to your goal and then optimize and build upon that.</p>