Triggers to send different auto reply mails by group

Infos:

• Used Zammad version: 5.3.1
• Used Zammad installation type: docker-compose
• Operating system: Debian
• Browser + version: Chrome

Expected behavior:

• My incoming mails are filtered by To-Adress into different groups for different projects. The Trigger should send an auto reply mail on new tickets.

Actual behavior:

• The Trigger for one of my groups does not send an auto reply mail.