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- Is automatically added to the list: no need to take them to a subscription form!
- Will see the Messages page, which can be fully customized.
- May or may not Will need to confirm subscription: since this is already a subscriber in another list and their are just extending their subscription preferences, subscription confirmation the subscription (double opt-in) may not be needed. In cases in which double opt-in makes sense (e.g. newsletter subscription in signature/footer of messages sent via SMTP+), then you can turn on duble opt-in via a parameter in the link (see below)to avoid any chances of unauthorized addition of a subscriber
- May or may not receive a welcome email. It's up to you.
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