Unsubscribe

Email Deliverability. A recipient's voluntary decision to remove themself from a sender's bulk email service.

When a recipient unsubscribes from your service, they indicate their loss of interest in your content. To avoid spam reports, you must honor these unsubscribe requests.

Various regulations, such as CAN-SPAM, CASL, and GDPR, requires unsubscribe options in senders' email messages.

If you don't use an email service provider (ESP), you hold the responsibility to maintain your own subscription functionality and track unsubscribe requests.