Revert "add smtp-sink for email testing"

This reverts commit fc14af9, reversing
changes made to 7c5e5f4.

.github/workflows/main.yml

@@ -1,7 +1,7 @@
 
 name: CI
 
-on: [pull_request]
+on: [pull_request, push]
 
 jobs:
   test:
@@ -11,10 +11,14 @@ jobs:
     strategy:
       fail-fast: false     
       matrix:   
-        php-version: ['7.4', '8.0', '8.1', '8.2']
+        php-version: ['7.4', '8.0', '8.1']
         experimental: [false]
         include:
-          - php-version: 8.3
+          - php-version: 7.2
+            experimental: true
+          - php-version: 7.3
+            experimental: true
+          - php-version: 8.2
             experimental: true
 
     steps:
@@ -31,7 +35,7 @@ jobs:
         run: |
           cd $GITHUB_WORKSPACE
           sudo apt update
-          sudo apt install -y rsync postfix
+          sudo apt -y install rsync postfix
 
       # - name: Cache Composer dependencies
       #   uses: actions/cache@v2
@@ -109,7 +113,7 @@ jobs:
           export ADMIN_NAME="phpList Administrator"
           php public_html/lists/admin/index.php -c $GITHUB_WORKSPACE/public_html/lists/config/config.php -p initialise -f
           cd $GITHUB_WORKSPACE/tests
-          ../vendor/bin/behat -p chrome -f progress --tags="~@initialise && ~@wip && ~@behattest"
+          ../vendor/bin/behat -p chrome --tags="~@initialise && ~@wip"
 
       - name: Upload the screenshots
         if: always()