diff --git a/docker-compose.yml b/docker-compose.yml
index 026e485..919be0c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -110,8 +110,8 @@ services:
       - ldap
     ports:
       - "${SMTPPORT:-25}:25"
-      - "465:465"
-      - "587:587"
+      - "${SMTPSPORT:-465}:465"
+      - "${MSAPORT:-587}:587"
     volumes:
       - maildata:/var/mail
       - mailstate:/var/mail-state
@@ -360,7 +360,7 @@ services:
     image: ${docker_repo:-zokradonh}/kopano_core:${CORE_VERSION:-latest}
     container_name: kopano_gateway
     ports:
-      - "143:143"
+      - "${IMAPPORT:-143}:143"
     volumes:
       - kopanossl/:/kopano/ssl
       - kopanosocket/:/run/kopano
diff --git a/setup.sh b/setup.sh
index 66a808a..8fd6630 100755
--- a/setup.sh
+++ b/setup.sh
@@ -320,6 +320,9 @@ HTTP=80
 HTTPS=443
 LDAPPORT=389
 SMTPPORT=25
+SMTPSPORT=465
+MSAPORT=587
+IMAPPORT=143
 KOPANOPORT=236
 KOPANOSPORT=237