Actually, no:  the default 90-day certificate lifetime was chosen such that it wouldn&#x27;t be too inconvenient for manual renewal if necessary, but was intended to encourage automatic renewal:  <a href="https:&#x2F;&#x2F;letsencrypt.org&#x2F;2015&#x2F;11&#x2F;09&#x2F;why-90-days.html" rel="nofollow">https:&#x2F;&#x2F;letsencrypt.org&#x2F;2015&#x2F;11&#x2F;09&#x2F;why-90-days.html</a>