Expand the Subscription Options panel.

Select the email template you wish to use for sending Newsletter subscription success emails.

Select the email sender you wish to use for Unsubscriptions to your newsletters.

Select the email template you wish to use for sending Newsletter unsubscription success emails.

Select the email sender you wish to use for Newsletter subscription success emails.

Select the email template you wish to use for sending Newsletter subscription confirmation emails.

In the Need to Confirm field, select Yes to specify that each customer that registers for a newsletter will receive an email asking them to confirm their registration.  This technique is called double opt-in, meaning that customers confirm they want to receive a newsletter.

Select the email sender you wish to use for Newsletter confirmation emails.

In the Allow Guest Subscription field, select Yes to allow people who have not created an account to receive your newsletter emails.

Save your changes.