here’s the errors about solving challenges:
taking too long…
Jul 18 09:19:51 batopi caddy[2376]: {"level":"info","ts":1626614391.6940823,"logger":"tls.issuance.acme.acme_client","msg":"trying to solve challenge","identifier":"emupay.me","challenge_type":"tls-alpn-01","ca":"https://acme-staging-v02.api.letsencrypt.org/directory"}
Jul 18 09:19:53 batopi caddy[2376]: {"level":"error","ts":1626614393.2774553,"logger":"tls.issuance.acme.acme_client","msg":"challenge failed","identifier":"emupay.me","challenge_type":"tls-alpn-01","status_code":403,"problem_type":"urn:ietf:params:acme:error:unauthorized","error":"Cannot negotiate ALPN protocol \"acme-tls/1\" for tls-alpn-01 challenge"}
Jul 18 09:19:53 batopi caddy[2376]: {"level":"error","ts":1626614393.2776291,"logger":"tls.issuance.acme.acme_client","msg":"validating authorization","identifier":"emupay.me","error":"authorization failed: HTTP 403 urn:ietf:params:acme:error:unauthorized - Cannot negotiate ALPN protocol \"acme-tls/1\" for tls-alpn-01 challenge","order":"https://acme-staging-v02.api.letsencrypt.org/acme/order/20381613/105158168","attempt":1,"max_attempts":3}
Jul 18 09:19:55 batopi caddy[2376]: {"level":"info","ts":1626614395.3374019,"logger":"tls.issuance.acme.acme_client","msg":"trying to solve challenge","identifier":"emupay.me","challenge_type":"http-01","ca":"https://acme-staging-v02.api.letsencrypt.org/directory"}
Jul 18 09:19:57 batopi caddy[2376]: {"level":"error","ts":1626614397.1676013,"logger":"tls.issuance.acme.acme_client","msg":"challenge failed","identifier":"emupay.me","challenge_type":"http-01","status_code":403,"problem_type":"urn:ietf:params:acme:error:unauthorized","error":"Invalid response from http://emupay.me/.well-known/acme-challenge/u6TvfZlJMlD4FskTyqzVSQcIBIdVtVCUlM-M6ePf0oE [194.124.229.155]: \"<html><head><title>407 Proxy Authentication Required</title></head>\\r\\n<body><h2>407 Proxy Authentication Required</h2><h3>Access \""}
Jul 18 09:19:57 batopi caddy[2376]: {"level":"error","ts":1626614397.1680732,"logger":"tls.issuance.acme.acme_client","msg":"validating authorization","identifier":"emupay.me","error":"authorization failed: HTTP 403 urn:ietf:params:acme:error:unauthorized - Invalid response from http://emupay.me/.well-known/acme-challenge/u6TvfZlJMlD4FskTyqzVSQcIBIdVtVCUlM-M6ePf0oE [194.124.229.155]: \"<html><head><title>407 Proxy Authentication Required</title></head>\\r\\n<body><h2>407 Proxy Authentication Required</h2><h3>Access \"","order":"https://acme-staging-v02.api.letsencrypt.org/acme/order/20381613/105158204","attempt":2,"max_attempts":3}
Jul 18 09:19:59 batopi caddy[2376]: {"level":"error","ts":1626614399.5733008,"logger":"tls.obtain","msg":"could not get certificate from issuer","identifier":"emupay.me","issuer":"acme-v02.api.letsencrypt.org-directory","error":"[emupay.me] solving challenges: emupay.me: no solvers available for remaining challenges (configured=[http-01 tls-alpn-01] offered=[http-01 dns-01 tls-alpn-01] remaining=[dns-01]) (order=https://acme-staging-v02.api.letsencrypt.org/acme/order/20381613/105158227) (ca=https://acme-staging-v02.api.letsencrypt.org/directory)"}
Jul 18 09:19:59 batopi caddy[2376]: {"level":"warn","ts":1626614399.5743074,"logger":"tls.issuance.zerossl","msg":"missing email address for ZeroSSL; it is strongly recommended to set one for next time"}
Jul 18 09:20:02 batopi caddy[2376]: {"level":"info","ts":1626614402.2213292,"logger":"tls.issuance.zerossl","msg":"generated EAB credentials","key_id":"moefLIChxxtUM1J5FPkkcg"}
Jul 18 09:20:06 batopi caddy[2376]: {"level":"info","ts":1626614406.5493288,"logger":"tls.issuance.acme.acme_client","msg":"trying to solve challenge","identifier":"emupay.me","challenge_type":"http-01","ca":"https://acme.zerossl.com/v2/DV90"}
Jul 18 09:25:08 batopi caddy[2376]: {"level":"error","ts":1626614708.1273289,"logger":"tls.obtain","msg":"could not get certificate from issuer","identifier":"emupay.me","issuer":"acme.zerossl.com-v2-DV90","error":"[emupay.me] solving challenges: [emupay.me] authorization took too long (order=https://acme.zerossl.com/v2/DV90/order/NjKIfJD520974tXJuDpqCw) (ca=https://acme.zerossl.com/v2/DV90)"}
Jul 18 09:25:08 batopi caddy[2376]: {"level":"error","ts":1626614708.1274927,"logger":"tls.obtain","msg":"will retry","error":"[emupay.me] Obtain: [emupay.me] solving challenges: [emupay.me] authorization took too long (order=https://acme.zerossl.com/v2/DV90/order/NjKIfJD520974tXJuDpqCw) (ca=https://acme.zerossl.com/v2/DV90)","attempt":9,"retrying_in":1800,"elapsed":8305.887880503,"max_duration":2592000}