Customising my form's double opt-in
To change the form's default double opt-in behaviour:
1) Click the Collect menu, select Forms and click View all. Head to your form, hit the options button (right-hand side of the page) and choose Behaviour.
2) The form settings window will come up. Under Behaviour, choose whether contacts will be sent a confirmation email for each of their actions (eg. when signing up, when changing their subscription info, etc.). Keep in mind disabling the confirmation email for new contacts will turn yo...