These certs are to verify you control the domain name, not that you are who you say you are. Those certificates are much more complicated and expensive. 
See <a href="https:&#x2F;&#x2F;letsencrypt.org&#x2F;2015&#x2F;10&#x2F;29&#x2F;phishing-and-malware.html" rel="nofollow">https:&#x2F;&#x2F;letsencrypt.org&#x2F;2015&#x2F;10&#x2F;29&#x2F;phishing-and-malware.html</a> for more information