https://www.dnswatch.info/dkim/create-dns-record
При создании DKIM записи спрашивает Public Key : И далее подсказывает
Base64 encoded public-key data.
Public keys can be generated with openssl for instance:
To create a private key:
openssl genrsa -out private.key 1024
To create a public key using the private key:
openssl rsa -in private.key -pubout -out public.key
Your cert is in /root/.acme.sh/cwp_certs/myservice.tk/myservice.tk.cer
Your cert key is in /root/.acme.sh/cwp_certs/myservice.tk/myservice.tk.key
The intermediate CA cert is in /root/.acme.sh/cwp_certs/myservice.tk/ca.cer
And the full chain certs is there: /root/.acme.sh/cwp_certs/myservice.tk/fullchain.cer
Installing cert to:/etc/pki/tls/certs/myservice.tk.cert
Installing key to:/etc/pki/tls/private/myservice.tk.key
Installing full chain to:/etc/pki/tls/certs/myservice.tk.bundle
