httpd.conf

web_ip="xxx.xxx.xxx.xxx"
mail_ip="xxx.xxx.xxx.xxx"

server "domain.com" {
	listen on $web_ip tls port 443
	tls {
		certificate "/etc/ssl/domain.com.fullchain.pem"
		key "/etc/ssl/private/domain.com.key"
	}
	location "/.well-known/acme-challenge/*" {
		root "/acme"
		request strip 2
	}
	root "/htdocs/domain.com"
}

server "mail.domain.com" {
	listen on $mail_ip port 80
	location "/.well-known/acme-challenge/*" {
		root "/acme"
		request strip 2
	}
	location * {
		block return 302 "https://$HTTP_HOST$REQUEST_URI"
	}
}