diff --git a/.github/workflows/contributors.yml b/.github/workflows/contributors.yml
index bb5fe5b8..8924a738 100644
--- a/.github/workflows/contributors.yml
+++ b/.github/workflows/contributors.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: delete-old-branch
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Create contributors-update branch
         uses: peterjgrainger/action-create-branch@v2.1.0
diff --git a/.github/workflows/default_on_push.yml b/.github/workflows/default_on_push.yml
index daa90ab3..242bd0c8 100644
--- a/.github/workflows/default_on_push.yml
+++ b/.github/workflows/default_on_push.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -62,7 +62,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -97,13 +97,13 @@ jobs:
             ${{ runner.os }}-buildx-
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1.14.0
+        uses: docker/login-action@v1.14.1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1.14.0
+        uses: docker/login-action@v1.14.1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/.github/workflows/docs-preview-prepare.yml b/.github/workflows/docs-preview-prepare.yml
index ffeb783e..80d2ffc4 100644
--- a/.github/workflows/docs-preview-prepare.yml
+++ b/.github/workflows/docs-preview-prepare.yml
@@ -26,7 +26,7 @@ jobs:
       NETLIFY_SITE_PREFIX: pullrequest-${{ github.event.pull_request.number }}
       NETLIFY_SITE_NAME: dms-doc-previews
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
 
       - name: 'Build with mkdocs-material via Docker'
         working-directory: docs
diff --git a/.github/workflows/docs-production-deploy.yml b/.github/workflows/docs-production-deploy.yml
index cb1aaa01..a1520f04 100644
--- a/.github/workflows/docs-production-deploy.yml
+++ b/.github/workflows/docs-production-deploy.yml
@@ -26,7 +26,7 @@ jobs:
     name: 'Deploy Docs'
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
 
       - name: 'Check if deploy is for a `v<major>.<minor>` tag version instead of `edge`'
         if: startsWith(github.ref, 'refs/tags/')
@@ -75,10 +75,10 @@ jobs:
     needs: deploy
     steps:
       - name: 'Checkout the tagged commit (shallow clone)'
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: 'Checkout the docs deployment branch to a subdirectory'
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
         with:
           ref: gh-pages
           path: gh-pages
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 57bd0f9c..ca5501ef 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 
diff --git a/.github/workflows/scheduled_builds.yml b/.github/workflows/scheduled_builds.yml
index cfd149d2..cab56883 100644
--- a/.github/workflows/scheduled_builds.yml
+++ b/.github/workflows/scheduled_builds.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -31,13 +31,13 @@ jobs:
         id: buildx
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1.14.0
+        uses: docker/login-action@v1.14.1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1.14.0
+        uses: docker/login-action@v1.14.1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/.github/workflows/test_merge_requests.yml b/.github/workflows/test_merge_requests.yml
index 3671644f..6cf95dd4 100644
--- a/.github/workflows/test_merge_requests.yml
+++ b/.github/workflows/test_merge_requests.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 
diff --git a/Makefile b/Makefile
index e8987763..6e436fcf 100644
--- a/Makefile
+++ b/Makefile
@@ -14,14 +14,12 @@ build:
 	docker build -t $(NAME) . --build-arg VCS_VER=$(VCS_VER) --build-arg VCS_REF=$(VCS_REF)
 
 backup:
-# if backup directories exist, clean hasn't been called, therefore
+# if backup directory exist, clean hasn't been called, therefore
 # we shouldn't overwrite it. It still contains the original content.
-	-@ [[ ! -d config.bak ]] && cp -rp config config.bak || :
 	-@ [[ ! -d testconfig.bak ]] && cp -rp test/config testconfig.bak || :
 
 clean:
-# remove running and stopped test containers
-	-@ [[ -d config.bak ]] && { rm -rf config ; mv config.bak config ; } || :
+# remove test containers and restore test/config directory
 	-@ [[ -d testconfig.bak ]] && { sudo rm -rf test/config ; mv testconfig.bak test/config ; } || :
 	-@ for container in $$(docker ps -a --filter name='^/mail$$|^ldap_for_mail$$|^mail_override_hostname$$|^mail_non_subdomain_hostname$$|^open-dkim$$|^hadolint$$|^eclint$$|^shellcheck$$|mail_changedetector.*' | sed 1d | cut -f 1-1 -d ' '); do docker rm -f $$container; done
 	-@ sudo rm -rf test/onedir test/alias test/quota test/relay test/config/dovecot-lmtp/userdb test/config/key* test/config/opendkim/keys/domain.tld/ test/config/opendkim/keys/example.com/ test/config/opendkim/keys/localdomain2.com/ test/config/postfix-aliases.cf test/config/postfix-receive-access.cf test/config/postfix-receive-access.cfe test/config/dovecot-quotas.cf test/config/postfix-send-access.cf test/config/postfix-send-access.cfe test/config/relay-hosts/chksum test/config/relay-hosts/postfix-aliases.cf test/config/dhparams.pem test/config/dovecot-lmtp/dh.pem test/config/relay-hosts/dovecot-quotas.cf test/config/user-patches.sh test/alias/config/postfix-virtual.cf test/quota/config/dovecot-quotas.cf test/quota/config/postfix-accounts.cf test/relay/config/postfix-relaymap.cf test/relay/config/postfix-sasl-password.cf test/duplicate_configs/
diff --git a/docs/content/config/environment.md b/docs/content/config/environment.md
index 535dec5b..4636db9b 100644
--- a/docs/content/config/environment.md
+++ b/docs/content/config/environment.md
@@ -317,11 +317,11 @@ Defines who sends reports (if they are enabled).
 
 ##### LOGROTATE_INTERVAL
 
-Changes the interval in which a report is being sent.
+Changes the interval in which log files are rotated.
 
-- **weekly** => Rotate weekly.
-- daily => Rotate daily.
-- monthly => Rotate monthly.
+- **weekly** => Rotate log files weekly
+- daily => Rotate log files daily
+- monthly => Rotate log files monthly
 
 !!! note
 
diff --git a/docs/content/config/security/fail2ban.md b/docs/content/config/security/fail2ban.md
index 775c2de5..43d326ee 100644
--- a/docs/content/config/security/fail2ban.md
+++ b/docs/content/config/security/fail2ban.md
@@ -8,9 +8,9 @@ Fail2Ban is installed automatically and bans IP addresses for 3 hours after 3 fa
 
 ## Configuration files
 
-If you want to change this, you can easily edit our github example file: [`config/fail2ban-jail.cf`][github-file-f2bjail].
+If you want to change this, you can easily edit our github example file: [`config-examples/fail2ban-jail.cf`][github-file-f2bjail].
 
-You can do the same with the values from `fail2ban.conf`, e.g `dbpurgeage`. In that case you need to edit: [`config/fail2ban-fail2ban.cf`][github-file-f2bconfig].
+You can do the same with the values from `fail2ban.conf`, e.g `dbpurgeage`. In that case you need to edit: [`config-examples/fail2ban-fail2ban.cf`][github-file-f2bconfig].
 
 The configuration files need to be located at the root of the `/tmp/docker-mailserver/` volume bind (usually `./docker-data/dms/config/:/tmp/docker-mailserver/`).
 
diff --git a/docs/content/contributing/tests.md b/docs/content/contributing/tests.md
index aa4456cf..4192a6fd 100644
--- a/docs/content/contributing/tests.md
+++ b/docs/content/contributing/tests.md
@@ -5,13 +5,9 @@ title: 'Contributing | Tests'
 1. Install docker
 2. Execute `git submodule update --init --recursive`
 3. Install jq
-
-    !!! info "MacOS Specific (needed for tests)"
-
-        ```bash
-        brew install coreutils
-        # bash >= 4.0 for associative arrays
-        brew install bash
-        ```
-
 4. Execute `make clean all`
+
+
+!!! info "Can I use MacOS?"
+
+    We do not support running linting, tests, etc on macOS at this time. Please use a linux VM.
\ No newline at end of file
diff --git a/mailserver.env b/mailserver.env
index 6d3d7bca..48a07d37 100644
--- a/mailserver.env
+++ b/mailserver.env
@@ -233,17 +233,19 @@ REPORT_RECIPIENT=
 # => Specify the sender address
 REPORT_SENDER=
 
-# Changes the interval in which a report is being sent.
-# **weekly** => Send a report every week
-# daily => Send a daily report
-# monthly => Send a report every month
+# Changes the interval in which log files are rotated
+# **weekly** => Rotate log files weekly
+# daily => Rotate log files daily
+# monthly => Rotate log files monthly
 #
 # Note: This Variable actually controls logrotate inside the container
-# and rotates the log depending on this setting. The main log output is
+# and rotates the log files depending on this setting. The main log output is
 # still available in its entirety via `docker logs mail` (Or your
 # respective container name). If you want to control logrotation for
 # the Docker-generated logfile see:
 # https://docs.docker.com/config/containers/logging/configure/
+#
+# Note: This variable can also determine the interval for Postfix's log summary reports, see [`PFLOGSUMM_TRIGGER`](#pflogsumm_trigger).
 LOGROTATE_INTERVAL=weekly
 
 # Choose TCP/IP protocols for postfix to use
diff --git a/setup.sh b/setup.sh
index 8dd22b41..ccaed653 100755
--- a/setup.sh
+++ b/setup.sh
@@ -88,14 +88,6 @@ function _show_local_usage
 
 function _get_absolute_script_directory
 {
-  if [[ "$(uname)" == 'Darwin' ]]
-  then
-    readlink() {
-      # requires coreutils
-      greadlink "${@:+$@}"
-    }
-  fi
-
   if dirname "$(readlink -f "${0}")" &>/dev/null
   then
     DIR="$(dirname "$(readlink -f "${0}")")"
@@ -154,7 +146,7 @@ function _run_in_new_container
 
   ${CRI} run --rm "${USE_TTY}" \
     -v "${CONFIG_PATH}:${DMS_CONFIG}${USE_SELINUX}" \
-    "${IMAGE_NAME}" "${@:+$@}"
+    "${IMAGE_NAME}" "${@}"
 }
 
 function _main
@@ -234,9 +226,9 @@ function _main
 
   if [[ -n ${CONTAINER_NAME} ]]
   then
-    ${CRI} exec "${USE_TTY}" "${CONTAINER_NAME}" setup "${@:+$@}"
+    ${CRI} exec "${USE_TTY}" "${CONTAINER_NAME}" setup "${@}"
   else
-    _run_in_new_container setup "${@:+$@}"
+    _run_in_new_container setup "${@}"
   fi
 
   [[ ${1} == 'help' ]] && _show_local_usage
@@ -244,4 +236,4 @@ function _main
   return 0
 }
 
-_main "${@:+$@}"
+_main "${@}"
diff --git a/target/bin/acme_extract b/target/bin/acme_extract.py
similarity index 100%
rename from target/bin/acme_extract
rename to target/bin/acme_extract.py
diff --git a/target/bin/print-environment b/target/bin/print-environment
old mode 100644
new mode 100755
diff --git a/target/bin/setup b/target/bin/setup
old mode 100644
new mode 100755
diff --git a/target/scripts/helpers/ssl.sh b/target/scripts/helpers/ssl.sh
index dc401e22..7731e6d8 100644
--- a/target/scripts/helpers/ssl.sh
+++ b/target/scripts/helpers/ssl.sh
@@ -418,8 +418,8 @@ function _extract_certs_from_acme
   fi
 
   local KEY CERT
-  KEY=$(acme_extract /etc/letsencrypt/acme.json "${CERT_DOMAIN}" --key)
-  CERT=$(acme_extract /etc/letsencrypt/acme.json "${CERT_DOMAIN}" --cert)
+  KEY=$(acme_extract.py /etc/letsencrypt/acme.json "${CERT_DOMAIN}" --key)
+  CERT=$(acme_extract.py /etc/letsencrypt/acme.json "${CERT_DOMAIN}" --cert)
 
   if [[ -z ${KEY} ]] || [[ -z ${CERT} ]]
   then
diff --git a/test/linting/lint.sh b/test/linting/lint.sh
index 2cace83a..c7e125f8 100755
--- a/test/linting/lint.sh
+++ b/test/linting/lint.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#! /bin/bash
 
 # version   v0.2.0 unstable
 # executed  by Make during CI or manually
@@ -6,12 +6,6 @@
 
 SCRIPT="lint.sh"
 
-if [[ "$(uname)" == "Darwin" ]]
-then
-  readlink() {
-    greadlink "${@:+$@}" # Requires coreutils
-  }
-fi
 SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
 REPO_ROOT="$(realpath "${SCRIPT_DIR}"/../../)"
 
@@ -58,7 +52,7 @@ function __log_success
 
 function __in_path
 {
-  command -v "${@:+$@}" &>/dev/null && return 0 ; return 1 ;
+  command -v "${@}" &>/dev/null && return 0 ; return 1 ;
 }
 
 function _eclint
@@ -104,10 +98,8 @@ function _shellcheck
     -not -path './test/test_helper/*' \
     -not -path './target/docker-configomat/*'
   )"
-  # macOS lacks parity for `-executable` but presently produces the same results: https://stackoverflow.com/a/4458361
-  [[ "$(uname)" == "Darwin" ]] && FIND_EXEC="-perm -711" || FIND_EXEC="-executable"
   # shellcheck disable=SC2248
-  F_BIN="$(find 'target/bin' ${FIND_EXEC} -type f)"
+  F_BIN="$(find 'target/bin' -type f -not -name '*.py')"
   F_BATS="$(find 'test' -maxdepth 1 -type f -iname '*.bats')"
 
   # This command is a bit easier to grok as multi-line.
@@ -164,4 +156,4 @@ function __main
   esac
 }
 
-__main "${@:+$@}" || exit ${?}
+__main "${@}" || exit ${?}