To connect your iContact account, you will need the following:
An iContact App ID
An iContact Username
An iContact App Password
Get the required Data
Log in to your iContact account
Go to App-Id Generator to create a new app and generate an App-Id.
Connect iContact with Divi's Email Opt-in module
Open the Email Opt-in module Settings modal window.
Go to the Content Tab → Email Account.
Select the iContact from the provider's list.
Click on the Add button.
Fill in the following fields:
Name - It can be anything you want. For example, you can use
my-icontactApp ID - The ID from the previous steps (above)
Username - The username used to log in to your iContact account
App Password - The password used when creating the iContact App.
Click on the Submit button.
Choose the iContact list you want to use.