Deploy let's encrypt cert in Zimbra
Usage:
-v Display information about what version
-y Display a brief listing of available commands and options.
-d zimbra domain
-x ISRG X1 path default: $ISRGROOTX1
-k Privkey path default: $PRIVKEY
-C Cert path default: $CERTIFICATE
-z Zimbra comercial key path default: $COMMERCIALKEY
-c Cert chain path default: $CHAIN
-u Zimbra user default: $ZIMBRA_USER
-e Check expiration date: use -e domain
-y Assume the answer "yes" to any prompts