mail.colonialmotorcars.com has an A (IPv4) record (65.211.26.38) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
A timeout was experienced while communicating with mail.colonialmotorcars.com/65.211.26.38: Get "http://mail.colonialmotorcars.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://mail.colonialmotorcars.com/.well-known/acme-challenge/letsdebug-test (using initial IP 65.211.26.38)
@1ms: Dialing 65.211.26.38
@10000ms: Experienced error: context deadline exceeded
A test authorization for mail.colonialmotorcars.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
65.211.26.38: Fetching http://mail.colonialmotorcars.com/.well-known/acme-challenge/1EeKNhG-uUtMQmByKdb8Kp_xdjmfpe8FIUEEuGRH3zA: Timeout during connect (likely firewall problem)