Disable send test email to verify-external-smtp-sending@discard.zammad.org

Infos:

• Used Zammad version: 6.2
• Used Zammad installation type: (source, package, docker-compose, …)
• Operating system: CentOS
• Browser + version: Firefox

Expected behavior:

• If you set up e email adress zammad will automatically send a test email to verify-external-smtp-sending@discard.zammad.org. Is there any possibility to disable this beahviour.

Actual behavior:

Steps to reproduce the behavior: