diff --git a/target/bin/listmailuser b/target/bin/listmailuser
index 0581aa3d..c59e1ed6 100755
--- a/target/bin/listmailuser
+++ b/target/bin/listmailuser
@@ -3,6 +3,9 @@
 # shellcheck source=../scripts/helper-functions.sh
 . /usr/local/bin/helper-functions.sh
 
+# suppress error output, e.g. when listmailuser runs in a fresh container (DMS not running)
+. /etc/dms-settings 2> /dev/null
+
 function dovecot_quota_to_hr()
 {
   if [ "${1}" == "-" ]
@@ -23,12 +26,16 @@ while read -r LINE
 do
   USER=$(echo "${LINE}" | cut -d'|' -f1)
 
-  # ${QUOTA[0]} => current size
-  # ${QUOTA[1]} => configured size limit
-  # ${QUOTA[2]} => usage in percent
-  IFS=' ' read -r -a QUOTA <<< "$(doveadm quota get -u "${USER}" | tail +2 | awk '{ if ($3 == "STORAGE") { print $4" "$5" "$6 } }')"
-
-  echo "* ${USER} ( $(dovecot_quota_to_hr "${QUOTA[0]}") / $(dovecot_quota_to_hr "${QUOTA[1]}") ) [${QUOTA[2]}%]"
+  if [[ "${ENABLE_QUOTAS}" -eq 1 ]]
+  then
+    # ${QUOTA[0]} => current size
+    # ${QUOTA[1]} => configured size limit
+    # ${QUOTA[2]} => usage in percent
+    IFS=' ' read -r -a QUOTA <<< "$(doveadm quota get -u "${USER}" | tail +2 | awk '{ if ($3 == "STORAGE") { print $4" "$5" "$6 } }')"
+    echo "* ${USER} ( $(dovecot_quota_to_hr "${QUOTA[0]}") / $(dovecot_quota_to_hr "${QUOTA[1]}") ) [${QUOTA[2]}%]"
+  else
+    echo "* ${USER}"
+  fi
 
   if [[ -f ${ALIASES} ]] && grep -q "${USER}" "${ALIASES}"
   then
diff --git a/target/bin/print-environment b/target/bin/print-environment
index 062c4622..a24e35a2 100644
--- a/target/bin/print-environment
+++ b/target/bin/print-environment
@@ -4,4 +4,4 @@
 . /usr/local/bin/helper-functions.sh
 
 _notify 'inf' 'Printing environment variables. Make sure no sensitive data is copied.'
-grep ^export /root/.bashrc | sed 's|export ||'
+cat /etc/dms-settings
diff --git a/target/scripts/startup/setup-stack.sh b/target/scripts/startup/setup-stack.sh
index c6e48ea9..adb9dd1a 100644
--- a/target/scripts/startup/setup-stack.sh
+++ b/target/scripts/startup/setup-stack.sh
@@ -67,20 +67,22 @@ function _setup_default_vars
   PFLOGSUMM_RECIPIENT="${PFLOGSUMM_RECIPIENT:=${REPORT_RECIPIENT}}"
   LOGWATCH_RECIPIENT="${LOGWATCH_RECIPIENT:=${REPORT_RECIPIENT}}"
 
+  VARS[LOGWATCH_RECIPIENT]="${LOGWATCH_RECIPIENT}"
+  VARS[PFLOGSUMM_RECIPIENT]="${PFLOGSUMM_RECIPIENT}"
+  VARS[PFLOGSUMM_SENDER]="${PFLOGSUMM_SENDER}"
+  VARS[PFLOGSUMM_TRIGGER]="${PFLOGSUMM_TRIGGER}"
+  VARS[POSTMASTER_ADDRESS]="${POSTMASTER_ADDRESS}"
+  VARS[REPORT_RECIPIENT]="${REPORT_RECIPIENT}"
+  VARS[REPORT_SENDER]="${REPORT_SENDER}"
+
+  : >/root/.bashrc     # make DMS variables available in login shells and their subprocesses
+  : >/etc/dms-settings # this file can be sourced by other scripts
   local VAR
   for VAR in "${!VARS[@]}"
   do
     echo "export ${VAR}='${VARS[${VAR}]}'" >>/root/.bashrc
+    echo "${VAR}='${VARS[${VAR}]}'"        >>/etc/dms-settings
   done
-
-  {
-    echo "export PFLOGSUMM_SENDER='${PFLOGSUMM_SENDER}'"
-    echo "export PFLOGSUMM_TRIGGER='${PFLOGSUMM_TRIGGER}'"
-    echo "export PFLOGSUMM_RECIPIENT='${PFLOGSUMM_RECIPIENT}'"
-    echo "export POSTMASTER_ADDRESS='${POSTMASTER_ADDRESS}'"
-    echo "export REPORT_RECIPIENT='${REPORT_RECIPIENT}'"
-    echo "export REPORT_SENDER='${REPORT_SENDER}'"
-  } >>/root/.bashrc
 }
 
 # File/folder permissions are fine when using docker volumes, but may be wrong
diff --git a/test/tests.bats b/test/tests.bats
index 9eaf64c0..963853b1 100644
--- a/test/tests.bats
+++ b/test/tests.bats
@@ -17,23 +17,24 @@ setup_file() {
     -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
     -v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
     -v "$(pwd)/test/onedir":/var/mail-state \
+    -e AMAVIS_LOGLEVEL=2 \
+    -e DMS_DEBUG=0 \
     -e ENABLE_CLAMAV=1 \
-    -e SPOOF_PROTECTION=1 \
+    -e ENABLE_MANAGESIEVE=1 \
+    -e ENABLE_QUOTAS=1 \
     -e ENABLE_SPAMASSASSIN=1 \
+    -e ENABLE_SRS=1 \
+    -e PERMIT_DOCKER=host \
     -e REPORT_RECIPIENT=user1@localhost.localdomain \
     -e REPORT_SENDER=report1@mail.my-domain.com \
+    -e SA_KILL=3.0 \
+    -e SA_SPAM_SUBJECT="SPAM: " \
     -e SA_TAG=-5.0 \
     -e SA_TAG2=2.0 \
-    -e SA_KILL=3.0 \
-    -e AMAVIS_LOGLEVEL=2 \
-    -e SA_SPAM_SUBJECT="SPAM: " \
-    -e VIRUSMAILS_DELETE_DELAY=7 \
-    -e ENABLE_SRS=1 \
     -e SASL_PASSWD="external-domain.com username:password" \
-    -e ENABLE_MANAGESIEVE=1 \
-    -e PERMIT_DOCKER=host \
-    -e DMS_DEBUG=0 \
+    -e SPOOF_PROTECTION=1 \
     -e SSL_TYPE='snakeoil' \
+    -e VIRUSMAILS_DELETE_DELAY=7 \
     -h mail.my-domain.com \
     --cap-add=SYS_PTRACE \
     --tty \
@@ -660,8 +661,14 @@ EOF
   assert_success
 }
 
-@test "checking accounts: listmailuser" {
-  run docker exec mail /bin/sh -c "listmailuser | head -n 1"
+@test "checking accounts: listmailuser (quotas disabled)" {
+  run docker exec mail /bin/sh -c "echo 'ENABLE_QUOTAS=0' >> /etc/dms-settings && listmailuser | head -n 1"
+  assert_success
+  assert_output '* user1@localhost.localdomain'
+}
+
+@test "checking accounts: listmailuser (quotas enabled)" {
+  run docker exec mail /bin/sh -c "sed -i '/ENABLE_QUOTAS=0/d' /etc/dms-settings; listmailuser | head -n 1"
   assert_success
   assert_output '* user1@localhost.localdomain ( 12K / ~ ) [0%]'
 }