Hey @hanschan25, we don't really recommend disabling double opt-in as it protects your list and your deliverability, making sure your emails reach those who truly want to receive them. This can lead to more engaged subscribers and qualified leads. However, if you still want to, you need to click on the incentive menu on the left to disable it.

You can also refer to this article for additional information - The All Important Double Opt-In21