[ACME] fetch cert for mta-sts subdomain

data/Dockerfiles/acme/acme.sh

@@ -206,7 +206,7 @@ while true; do
 
   if [[ ${AUTODISCOVER_SAN} == "y" ]]; then
   # Fetch certs for autoconfig and autodiscover subdomains
-  ADDITIONAL_WC_ARR+=('autodiscover' 'autoconfig')
+  ADDITIONAL_WC_ARR+=('autodiscover' 'autoconfig' 'mta-sts')
   fi
 
   if [[ ${SKIP_IP_CHECK} != "y" ]]; then

docker-compose.yml

@@ -440,7 +440,7 @@ services:
           condition: service_started
         unbound-mailcow:
           condition: service_healthy
-      image: ghcr.io/mailcow/acme:1.93
+      image: ghcr.io/mailcow/acme:1.94
       dns:
         - ${IPV4_NETWORK:-172.22.1}.254
       environment: