I have now tried a bit more where the error may be. By making a test form again and gradually adding functions from Ultimate Addons for CF7. There were no problems during the test, neither with multistep nor conditional fields. But then I tried to add more content from the original form and unfortunately it didn’t work anymore. Even when I removed the content from the form, I only got the confirmation e-mail.
Now I made a new form and copied everything from the original form and then it suddenly worked with the e-mails. But that doesn’t make much sense.
