How to Deploy Let’s Encrypt SSL Certificates
Open a card of a site you want to install an SSL certificate to. Go to “SSL Certificates“
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Click “New certificate” in the top right corner of the screen.
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In the opened modal window select “Let’s Encrypt” in the “Type” drop-down menu and enter your Email address in the corresponding field and click “Save” button. Your email address will be used to inform you about the certificate status.
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In order to proceed, click “Save“