diff --git a/data/Dockerfiles/acme/functions.sh b/data/Dockerfiles/acme/functions.sh
index 1dd35cb4..65405a60 100644
--- a/data/Dockerfiles/acme/functions.sh
+++ b/data/Dockerfiles/acme/functions.sh
@@ -66,7 +66,7 @@ check_domain(){
     fi
     if [[ ! -z ${AAAA_DOMAIN} ]]; then
       log_f "Found AAAA record for ${DOMAIN}: ${AAAA_DOMAIN} - skipping A record check"
-      if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_DOMAIN}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
+      if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_DOMAIN}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]] || [[ ${SNAT6_TO_SOURCE} != "n" ]]; then
         if verify_challenge_path "${DOMAIN}" 6; then
           log_f "Confirmed AAAA record with IP ${AAAA_DOMAIN}"
           return 0
@@ -78,7 +78,7 @@ check_domain(){
       fi
     elif [[ ! -z ${A_DOMAIN} ]]; then
       log_f "Found A record for ${DOMAIN}: ${A_DOMAIN}"
-      if [[ ${IPV4:-ERR} == ${A_DOMAIN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
+      if [[ ${IPV4:-ERR} == ${A_DOMAIN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]] || [[ ${SNAT_TO_SOURCE} != "n" ]]; then
         if verify_challenge_path "${DOMAIN}" 4; then
           log_f "Confirmed A record ${A_DOMAIN}"
           return 0
diff --git a/docker-compose.yml b/docker-compose.yml
index 1fd96e54..a0eff44c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -152,7 +152,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.72
+      image: mailcow/sogo:1.73
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}
@@ -333,7 +333,7 @@ services:
     acme-mailcow:
       depends_on:
         - nginx-mailcow
-      image: mailcow/acme:1.69
+      image: mailcow/acme:1.70
       dns:
         - ${IPV4_NETWORK:-172.22.1}.254
       environment:
@@ -352,6 +352,8 @@ services:
         - TZ=${TZ}
         - REDIS_SLAVEOF_IP=${REDIS_SLAVEOF_IP:-}
         - REDIS_SLAVEOF_PORT=${REDIS_SLAVEOF_PORT:-}
+        - SNAT_TO_SOURCE=${SNAT_TO_SOURCE:-n}
+        - SNAT6_TO_SOURCE=${SNAT6_TO_SOURCE:-n}
       volumes:
         - ./data/web/.well-known/acme-challenge:/var/www/acme:rw
         - ./data/assets/ssl:/var/lib/acme/:rw