How to fix “Lets Encrypt SSL installation error” unable to reach mail.domain.com” issue? [STEP BY STEP]☑️
Today in this tutorial you will learn how to fix the issue “LetsEncrypt SSL installation error-Invalid Response from mail.domain.com” Are you facing an error like the one given below:
"Updating Challenge for mail.domain.com. DNS problem: query timed out looking up A for mail.domain.com"
You can also watch this video which covers detailed steps to fix this Lets Encrypt SSL error
Follow the steps given below to fix the issue “LetsEncrypt SSL installation error-Invalid response from mail.domain.com”
Step::1 Login to your cPanel
Step::2 Go to the SECURITY section and click on Lets Encrypt SSL

Step::3 Click on the + Issue link

Step::4 On the redirected page that appears untick the box near mail.domain.com (There is no need to install SSL certificate to a webpage which can only be accessed by you. So better remove the the tick from the check-box near your mail.domain.com )

Step::5 Now click on Issue button to finish.

That’s it you are done.
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