Hello everyone, I have recently removed/added domains to my mailcow setup, I have waited 48 hours, checking the acme log resolving ok, still receiving:
Failed to obtain certificate /var/lib/acme/
Some errors occurred, retrying in 30 minutes…

Steps taken:

  1. checked all dns
  2. checked the acme log file all Confirmed and Found
  3. restarted docker and updated
  4. ports are open

My questions in this situation how do I best diagnose this issue? is there a better practice for when you add a domain or remove a domain? should I run update.sh?

any help or pointers would be fantastic for future diagnosis.
Kind Regards
R

Well it was dns, one rogue domain. to maybe help others.
Python script

import socket

with open(r'input.txt', 'r') as r_file:
    with open(r'ips.txt', 'w') as w_file:
        for hostname in r_file.readlines():
            hostname = hostname.strip()
            try:
                print('Resolving : ' + hostname)
                ip = socket.gethostbyname(hostname)
                w_file.write(hostname + ' - ' + ip + '\n')
            except:
                print('Unable to resolve: ' + hostname)

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