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Problem with installing LetsEncrypt on Nginx Centos 7 after installing iRedMail

Posted May 7, 2017 4.5k views
NginxCentOSDigitalOceanLet's Encrypt

So I installed iRedMail for my mail server, after that I wanted to install LetsEncrypt but it gives me errors.

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: mail.placetoknow.com
   Type:   unauthorized
   Detail: Invalid response from
   http://mail.placetoknow.com/.well-known/acme-challenge/xZnfjqAedEiwkmbe2BWNWMT1ul-6MAyypleQOxeo3Ww:
   "<html>
   <head><title>404 Not Found</title></head>
   <body bgcolor="white">
   <center><h1>404 Not Found</h1></center>
   <hr><center>"

   Domain: app.placetoknow.com
   Type:   unauthorized
   Detail: Invalid response from
   http://app.placetoknow.com/.well-known/acme-challenge/C83_ljkYsC2Dfue6X4x0uK3ySZZS2k35X6vfAnC1oEY:
   "<html>
   <head><title>404 Not Found</title></head>
   <body bgcolor="white">
   <center><h1>404 Not Found</h1></center>
   <hr><center>"

   Domain: www.placetoknow.com
   Type:   unauthorized
   Detail: Invalid response from
   http://www.placetoknow.com/.well-known/acme-challenge/GT-feTfFHHlRYl6wgQsXve8ji9JxpveJbIKkW4M4VLo:
   "<html>
   <head><title>404 Not Found</title></head>
   <body bgcolor="white">
   <center><h1>404 Not Found</h1></center>
   <hr><center>"

   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A record(s) for that domain
   contain(s) the right IP address.

I really don’t know how to solve this problems. Thank you in advance

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Chempo
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Chempo

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2 answers
hansen May 8, 2017

Hi @Chempo

Can you post your Nginx server block?
It’s located in /etc/nginx/sites-enabled/[the name of your configuration].conf

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  • Chempo May 8, 2017

    hmmm weird, I dont have a folder named sites-enabled

    do I need to create it manually or what?

    Reply Report
    • hansen May 8, 2017

      @Chempo Okay, then it’s not a default installation of Nginx. Check the bottom of the file /etc/nginx/nginx.conf to find a line starting with include, which should be a path of the directory where it reads the server blocks, but maybe the server blocks are simply all included in the nginx.conf file.

      Reply Report
      • Chempo May 9, 2017

        there are 2 of them in that file

        include /etc/nginx/conf.d/*.conf;
include       /etc/nginx/mime.types;
        Reply Report
        • hansen May 9, 2017

          Okay, then have a look in /etc/nginx/conf.d/.
          Didn’t know CentOS placed sites in that directory.

          Reply Report
          • Chempo May 11, 2017

            there is a file named default.conf

            here is the server block

            server {
    listen       80;
    server_name  placetoknow.com;

    location / {
        root   /usr/share/nginx/html;
        index  index.php index.html index.htm;
try_files $uri $uri/ =404;
    }
error_page 404 /404.html;
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}
            Reply Report
hansen May 11, 2017

@Chempo Okay, something is wrong, since the server-block you posted is for your root domain, but the errors in the first post lists 3 subdomains www mail app.

So somewhere there must be more Nginx configuration - if not, then you need to create the server-blocks for the other subdomains:
https://www.digitalocean.com/community/tutorials/how-to-set-up-nginx-virtual-hosts-server-blocks-on-centos-6
Skip step 6 about creating a local hosts file.

How To Set Up nginx Virtual Hosts (Server Blocks) on CentOS 6
by Etel Sverdlov
This tutorial shows you how to set up virtual hosts. Virtual Hosts are used to run more than one website or domain off of a single server and IP address. When used with nginx, virtual hosts are called Server Blocks. This tutorial covers setting up server blocks on a Centos server.
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