How to get a certificate for mail server

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Dear Sir,

     I can get the cert for domain :  umx.ccpl.cloud    but  for mail.ccpl.cloud is not yet success.

I have Apache up for serving multiple web sites. One of them is serving the mail client and DNS domain is mail.ccpl.cloud

I placed the log file below.

2022-09-11 23:49:48,245:DEBUG:certbot._internal.main:certbot version: 1.24.0
2022-09-11 23:49:48,245:DEBUG:certbot._internal.main:Location of certbot entry point: C:\Program Files (x86)\Certbot\bin\certbot.exe
2022-09-11 23:49:48,245:DEBUG:certbot._internal.main:Arguments: ['-v', '--preconfigured-renewal']
2022-09-11 23:49:48,246:DEBUG:certbot._internal.main:Discovered plugins: PluginsRegistry(PluginEntryPoint#manual,PluginEntryPoint#null,PluginEntryPoint#standalone,PluginEntryPoint#webroot)
2022-09-11 23:49:48,395:DEBUG:certbot._internal.log:Root logging level set at 20
2022-09-11 23:49:48,411:DEBUG:certbot._internal.plugins.selection:Requested authenticator None and installer None
2022-09-11 23:49:48,411:DEBUG:certbot._internal.plugins.selection:Multiple candidate plugins: * standalone
Description: Spin up a temporary webserver
Interfaces: Authenticator, Plugin
Entry point: standalone = certbot._internal.plugins.standalone:Authenticator
Initialized: <certbot._internal.plugins.standalone.Authenticator object at 0x04906D00>
Prep: True

  • webroot
    Description: Place files in webroot directory
    Interfaces: Authenticator, Plugin
    Entry point: webroot = certbot._internal.plugins.webroot:Authenticator
    Initialized: <certbot._internal.plugins.webroot.Authenticator object at 0x04906B50>
    Prep: True
    2022-09-11 23:49:52,144:DEBUG:certbot._internal.plugins.selection:Selected authenticator <certbot._internal.plugins.webroot.Authenticator object at 0x04906B50> and installer None
    2022-09-11 23:49:52,146:INFO:certbot._internal.plugins.selection:Plugins selected: Authenticator webroot, Installer None
    2022-09-11 23:49:52,198:DEBUG:certbot._internal.main:Picked account: <Account(RegistrationResource(body=Registration(key=None, contact=(), agreement=None, status=None, terms_of_service_agreed=None, only_return_existing=None, external_account_binding=None), uri='https://acme-v02.api.letsencrypt.org/acme/acct/727146547', new_authzr_uri=None, terms_of_service=None), de311eae5c8a61eab2efa350f5a2d8cf, Meta(creation_dt=datetime.datetime(2022, 9, 11, 15, 43, 26, tzinfo=), creation_host='mail.ccpl.cloud', register_to_eff='ccpoon@ccpl.cloud'))>
    2022-09-11 23:49:52,232:DEBUG:acme.client:Sending GET request to https://acme-v02.api.letsencrypt.org/directory.
    2022-09-11 23:49:52,232:DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org:443
    2022-09-11 23:49:53,079:DEBUG:urllib3.connectionpool:https://acme-v02.api.letsencrypt.org:443 "GET /directory HTTP/1.1" 200 672
    2022-09-11 23:49:53,081:DEBUG:acme.client:Received response:
    HTTP 200
    Server: nginx
    Date: Sun, 11 Sep 2022 15:49:52 GMT
    Content-Type: application/json
    Content-Length: 672
    Connection: keep-alive
    Cache-Control: public, max-age=0, no-cache
    X-Frame-Options: DENY
    Strict-Transport-Security: max-age=604800

{
"S_12r9-0Xr4": "Adding random entries to the directory",
"keyChange": "https://acme-v02.api.letsencrypt.org/acme/key-change",
"meta": {
"caaIdentities": [
"letsencrypt.org"
],
"termsOfService": "https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017-w-v1.3-notice.pdf",
"website": "https://letsencrypt.org"
},
"newAccount": "https://acme-v02.api.letsencrypt.org/acme/new-acct",
"newNonce": "https://acme-v02.api.letsencrypt.org/acme/new-nonce",
"newOrder": "https://acme-v02.api.letsencrypt.org/acme/new-order",
"revokeCert": "https://acme-v02.api.letsencrypt.org/acme/revoke-cert"
}
2022-09-11 23:49:53,082:DEBUG:certbot.display.ops:No installer, picking names manually
2022-09-11 23:49:59,597:DEBUG:certbot._internal.display.obj:Notifying user: Requesting a certificate for mail.ccpl.cloud
2022-09-11 23:49:59,824:DEBUG:certbot.crypto_util:Generating RSA key (2048 bits): C:\Certbot\keys\0002_key-certbot.pem
2022-09-11 23:49:59,840:DEBUG:certbot.crypto_util:Creating CSR: C:\Certbot\csr\0002_csr-certbot.pem
2022-09-11 23:49:59,842:DEBUG:acme.client:Requesting fresh nonce
2022-09-11 23:49:59,843:DEBUG:acme.client:Sending HEAD request to https://acme-v02.api.letsencrypt.org/acme/new-nonce.
2022-09-11 23:50:00,124:DEBUG:urllib3.connectionpool:https://acme-v02.api.letsencrypt.org:443 "HEAD /acme/new-nonce HTTP/1.1" 200 0
2022-09-11 23:50:00,125:DEBUG:acme.client:Received response:
HTTP 200
Server: nginx
Date: Sun, 11 Sep 2022 15:50:00 GMT
Connection: keep-alive
Cache-Control: public, max-age=0, no-cache
Link: https://acme-v02.api.letsencrypt.org/directory;rel="index"
Replay-Nonce: 0102Djk-R2l6JMap--lYwIiniM0xrXC5-20w2gBDOITr5Cc
X-Frame-Options: DENY
Strict-Transport-Security: max-age=604800

Best Regards,
cc