diff --git a/.github/workflows/actions/run-tests/action.yml b/.github/workflows/actions/run-tests/action.yml
index 0b3b97b8..c09bd0ca 100644
--- a/.github/workflows/actions/run-tests/action.yml
+++ b/.github/workflows/actions/run-tests/action.yml
@@ -40,6 +40,7 @@ runs:
         VERSION: ${{ inputs.php_version }}-apache
         PS_DOMAIN: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && 'localhost:8001' || 'localhost:8002' }}
         PS_ENABLE_SSL: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && '0' || '1' }}
+        PS_USE_DOCKER_MAILDEV: 0
         ADMIN_PASSWD: ${{ (inputs.base_branch == '1.7.8.x') && 'prestashop_demo' || 'Correct Horse Battery Staple' }}
         # Fixed values
         DB_USER: root
diff --git a/.github/workflows/build-shop.yml b/.github/workflows/build-shop.yml
index 0e1ff6c4..1d4765a4 100644
--- a/.github/workflows/build-shop.yml
+++ b/.github/workflows/build-shop.yml
@@ -44,6 +44,7 @@ jobs:
       VERSION: ${{ inputs.php_version }}-apache
       PS_DOMAIN: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && 'localhost:8001' || 'localhost:8002' }}
       PS_ENABLE_SSL: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && '0' || '1' }}
+      PS_USE_DOCKER_MAILDEV: 0
       ADMIN_PASSWD: ${{ (inputs.base_branch == '1.7.8.x') && 'prestashop_demo' || 'Correct Horse Battery Staple' }}
       URL_FO: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && 'http://localhost:8001/' || 'https://localhost:8002/' }}
       # Fixed values
diff --git a/.github/workflows/test-sanity.yml b/.github/workflows/test-sanity.yml
index b2245608..646dea0a 100644
--- a/.github/workflows/test-sanity.yml
+++ b/.github/workflows/test-sanity.yml
@@ -49,6 +49,7 @@ jobs:
       VERSION: ${{ inputs.php_version }}-apache
       PS_DOMAIN: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && 'localhost:8001' || 'localhost:8002' }}
       PS_ENABLE_SSL: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && '0' || '1' }}
+      PS_USE_DOCKER_MAILDEV: 0
       ADMIN_PASSWD: ${{ (inputs.base_branch == '1.7.8.x') && 'prestashop_demo' || 'Correct Horse Battery Staple' }}
       # Fixed values
       DB_USER: root
diff --git a/.github/workflows/test-with-prebuilt-shop.yml b/.github/workflows/test-with-prebuilt-shop.yml
index 34bceeff..197d0223 100644
--- a/.github/workflows/test-with-prebuilt-shop.yml
+++ b/.github/workflows/test-with-prebuilt-shop.yml
@@ -41,6 +41,7 @@ jobs:
       VERSION: ${{ inputs.php_version }}-apache
       PS_DOMAIN: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && 'localhost:8001' || 'localhost:8002' }}
       PS_ENABLE_SSL: ${{ ((inputs.base_branch == '8.0.x') || (inputs.base_branch == '1.7.8.x')) && '0' || '1' }}
+      PS_USE_DOCKER_MAILDEV: 0
       ADMIN_PASSWD: ${{ (inputs.base_branch == '1.7.8.x') && 'prestashop_demo' || 'Correct Horse Battery Staple' }}
       # Fixed values
       DB_USER: root