diff --git a/.github/workflows/testing-docker-image.yml b/.github/workflows/testing-docker-image.yml
index daecbc5..1b2626f 100644
--- a/.github/workflows/testing-docker-image.yml
+++ b/.github/workflows/testing-docker-image.yml
@@ -15,28 +15,43 @@ jobs:
           docker logs iobroker >& testrun.log
           curl --insecure http://127.0.0.1:8081 2> /dev/null | grep '<title>Admin</title>' &> /dev/null || exit 1
 
-      - name: Send notification
-        uses: dawidd6/action-send-mail@v3
+      - name: Send email
+        uses: devellany/send-mailer@v1.0.2
         with:
-          # Required mail server address:
-          server_address: mail.buanet.de
-          # Required mail server port:
-          server_port: 465
-          # Optional (recommended): mail server username:
-          username: ${{secrets.MAIL_USER}}
-          # Optional (recommended) mail server password:
+          host: mail.buanet.de
+          account: ${{secrets.MAIL_USER}}
           password: ${{secrets.MAIL_PASS}}
-          # Required mail subject:
-          subject: \[GitHub Actions\] ioBroker.Docker - Testing Docker image
-          # Required recipients' addresses:
+          sender: devellany
+          from: noreply@buanet.de
           to: andre@buanet.de
-          # Required sender full name (address can be skipped):
-          from: GitHub Actions Notification <noreply@buanet.de>
-          # Optional whether this connection use TLS (default is true if server_port is 465)
-          secure: true
-          # Optional plain body:
-          body: Job completed successfully!
-          # Optional unsigned/invalid certificates allowance:
-          ignore_cert: true
-          # Optional attachments:
-          attachments: testrun.log
+          subject: \[GitHub Actions\] ioBroker.Docker - Testing Docker image
+          body: Test
+          contentType: text/html
+          attachments: file://testrun.log
+
+
+#      - name: Send notification
+#        uses: dawidd6/action-send-mail@v3
+#        with:
+#          # Required mail server address:
+#          server_address: mail.buanet.de
+#          # Required mail server port:
+#          server_port: 465
+#          # Optional (recommended): mail server username:
+#          username: ${{secrets.MAIL_USER}}
+#          # Optional (recommended) mail server password:
+#          password: ${{secrets.MAIL_PASS}}
+#          # Required mail subject:
+#          subject: \[GitHub Actions\] ioBroker.Docker - Testing Docker image
+#          # Required recipients' addresses:
+#          to: andre@buanet.de
+#          # Required sender full name (address can be skipped):
+#          from: GitHub Actions Notification <noreply@buanet.de>
+#          # Optional whether this connection use TLS (default is true if server_port is 465)
+#          secure: true
+#          # Optional plain body:
+#          body: Job completed successfully!
+#          # Optional unsigned/invalid certificates allowance:
+#          ignore_cert: true
+#          # Optional attachments:
+#          attachments: testrun.log