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Opt-out

Opt-out is an action taken by a user to unsubscribe from receiving a company’s marketing communications, such as emails, SMS, or push notifications.

Simply put, the user informs the service that they no longer wish to receive further mailings.

How Opt-out Works

Typically, the opt-out is initiated by the user. The process generally looks like this:

  1. The user receives a marketing message.
  2. The email or notification contains a link or button, often labeled “Unsubscribe.”
  3. After clicking this link, the user is removed from the mailing list.
  4. In some cases, the user can choose which specific types of messages they want to opt out of.

Where the Opt-out Mechanism is Used

The opt-out function is applied in various communication channels:

  • email marketing;
  • SMS mailings;
  • push notifications;
  • messengers;
  • advertising subscriptions and service notifications.

Why Opt-out is Important

Having the ability to opt out of messages is important for several reasons:

  • compliance with legal requirements concerning personal data and advertising;
  • increasing user trust;
  • improving the quality of the subscriber base;
  • reducing the number of spam complaints.

Opt-out vs. Opt-in

Marketing often compares two approaches to subscribing to communications:

  • Opt-in: The user first gives explicit consent to receive messages.
  • Opt-out: The user receives messages by default but has the option to unsubscribe.

In many countries, preliminary user consent (Opt-in) is required for marketing mailings.

Opt-out Metric

Marketers track the Unsubscribe Rate, which is the percentage of users who unsubscribe from a mailing list.

Calculation Formula:
Unsubscribe Rate = (Number of Unsubscribes ÷ Number of Delivered Messages) × 100%

A high unsubscribe rate may indicate:

  • irrelevant content;
  • messages sent too frequently;
  • an unsuccessful message format.

Key Takeaways

Opt-out is the mechanism that allows a user to unsubscribe from receiving marketing communications. It helps companies adhere to communication rules, maintain a high-quality subscriber base, and reduce the risk of complaints about unwanted mailings.

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