The same renew process suddenly stops working

Apologize, OSiris, some how my original post discarded. Here is the entire terminal copy in text:

ubuntu@ip-10-0-2-214:~$ sudo letsencrypt renew
Saving debug log to /var/log/letsencrypt/letsencrypt.log


Processing /etc/letsencrypt/renewal/mail.ibs-llc.net.conf


Cert is due for renewal, auto-renewing...
Plugins selected: Authenticator standalone, Installer None
Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for imap.artistsgalleries.com
http-01 challenge for imap.ibs-llc.net
http-01 challenge for lmtp.artistsgalleries.com
http-01 challenge for lmtp.ibs-llc.net
http-01 challenge for mail.artistsgalleries.com
http-01 challenge for mail.ibs-llc.net
Waiting for verification...
Cleaning up challenges
Attempting to renew cert (mail.ibs-llc.net) from /etc/letsencrypt/renewal/mail.ibs-llc.net.conf produced an unexpected error: Failed authorization procedure. mail.ibs-llc.net (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: 184.73.238.111: Fetching http://mail.ibs-llc.net/.well-known/acme-challenge/n-j1eIn9VeGs61GxPWSU03FerGcioXQ8fLEvX2mpWjc: Timeout during connect (likely firewall problem), imap.ibs-llc.net (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: 184.73.238.111: Fetching http://imap.ibs-llc.net/.well-known/acme-challenge/KRFd8SJ-0gh-Rz8J64mejBw9Lx3LvMuLER4irAw515A: Timeout during connect (likely firewall problem), lmtp.ibs-llc.net (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: 184.73.238.111: Fetching http://lmtp.ibs-llc.net/.well-known/acme-challenge/SO7ccHgMm6lChaQ-z4dvSrHlAJWdFCJ8yDC6naefhkA: Timeout during connect (likely firewall problem). Skipping.
All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/mail.ibs-llc.net/fullchain.pem (failure)


All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/mail.ibs-llc.net/fullchain.pem (failure)


1 renew failure(s), 0 parse failure(s)

IMPORTANT NOTES:

ubuntu@ip-10-0-2-214:~$

Your other thread Renew process suddenly stops working on Postfix server - #6 by jzheng seems to be just fine, let's continue there :slight_smile:

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